Creating games for Android: a complete guide from idea to publication on Google Play

Developing mobile games for Android is an exciting process that can bring not only creative satisfaction, but also real income. From simple arcade games to complex 3D projects, the platform offers endless possibilities for realizing ideas. However, many beginners are faced with the question: where to even start? Unlike creating classic applications, games require knowledge in the field of game design, object physics, animation and optimization for different devices.

In this article we will look at the whole path - from choosing tools and learning the basics of programming to publishing the game in Google Play and its promotion. You will learn which ones engines are suitable for beginners, how to avoid mistakes during development, and what to do if the game is not gaining popularity. And most importantly, we will give specific recommendations that will save you months of trial and error.

1. Choosing an engine for developing games on Android

The first and most important step is to decide on the tool on which you will create the game. Not only the speed of development, but also the functionality of the future project depends on this. Today there are several popular engines, each of which has its own pros and cons.

The most common options:

• 🎮 Unity - a universal engine with support C#, ideal for 2D/3D games. Has a huge community and extensive documentation. Suitable for projects of any scale, but requires learning specific features (for example, working with Asset Store).
• 🤖 Godot - a free and open engine with support GDScript (similar to Python). Lightweight, does not require licensing fees, but is less popular among large studios.
• 📱 Unreal Engine - a powerful tool for 3D games with realistic graphics (uses Blueprints or C++). Suitable for AAA projects, but difficult for beginners due to high system requirements.
• 💻 Android Studio + LibGDX - a solution for those who prefer "clean" code on Java/KotlinFlexible, but requires deep programming knowledge. manual optimization.

For absolute beginners, we recommend starting with Unity or Godot. The first offers more ready-made solutions (for example, Asset Store with free models and scripts), and the second is easier to learn thanks to the intuitive interface and GDScript. If your goal is maximum performance and control over the code, then LibGDX paired with Android Studio will be the best choice.

⚠️ Attention: Free version Unity (Personal) has an income limit - if your game earns more than $100,000 per year, you will need to upgrade to a paid license. Check the current conditions on the official website.

2. Programming languages: which one to learn for game development?

The choice of language depends on the chosen engine, but there are several universal options that will be useful in any case. Let's look at the main ones:

Engine	Main language	Difficulty for beginners	Game examples
Unity	C#	Average	Among Us, Hearthstone
Godot	GDScript, C#	Low	Brotato, Dome Keeper
Unreal Engine	Blueprints, C++	High	Fortnite, Gears 5
LibGDX	Java/Kotlin	High	Polytopia, Mindustry

If you are just starting out in game development, the optimal choice is GDScript (for Godot) or C# (for Unity). The first is easier to learn due to a syntax similar to Python, and the second is more in demand in the labor market. Java/Kotlin suitable for those who plan to develop not only games, but also classic Android applications.

For those who want to quickly see the result, Unreal Engine there is a visual system programming Blueprints. It allows you to create game logic without writing code by dragging and dropping blocks in the editor. This is an excellent option for prototyping, but for complex projects knowledge C++ will still be required.

3. Installing and configuring the development environment

After selecting the engine and language, you need to prepare the working environment. Let's look at the process using the example of Unity i Godot, as the most popular among beginners.

Unity

1. Download Unity Hub from official website (select version LTS - Long Term Support for stability).

2. Install the necessary modules:

- Android Build Support

- OpenJDK (for compilation for Android)

- NDK and SDK (for working with native functions)

3. Create a new project with a template 2D or 3D (depending on the type of game).

4. Connect the device via USB or configure the emulator via Android Studio for testing.

Godot

1. Download the latest version Godot Engine from official website (choose Standard version, not Monoif you do not plan to use C#).

2. Unpack the archive into any folder - the engine is portable and does not require installation.

3. Create a new project by selecting Forward+ for 3D or leave the default settings for 2D.

4. To export to Android, download Android SDK and configure the path to it in Editor → Manage Export Templates.

⚠️ Attention: When you first launch the project on a real Android device, you may need to enable USB Debugging in the developer settings (Settings → About phone → Build number - press 7 times Also make sure that the device drivers are installed on the PC.

Install the engine and necessary modules|Create a new project with a suitable template|Connect an Android device or set up an emulator|Check export settings for Android (permissions, icons, SDK version)|Assemble test an empty game and run it on the device-->

4. Basics of game design: where to start designing a game?

Before writing code, you need to clearly formulate game concept. Many beginners make the mistake of trying to immediately create GTA on mobile phones. experience. Start small:

• 🎯 Genre: Decide on the type of game - arcade, puzzle, platformer, strategy. For the first game, choose something simple, for example clicker or Endless runner.
• 📝 Gameplay loop: Describe what the player will do at each stage. Example for a platformer: "jump → collect coins → avoid enemies → complete the level."
• 🎨 Style: Decide whether the game will be 2D or 3D, in what art style (pixel art, vector graphics, realism). For beginners, it’s easier to start with 2D.
• 🕹️ Control: Think about how the player will interact with the game - touch buttons, gestures, gyroscope.

Create game design document (Game Design Document, GDD). This does not have to be a voluminous file - a brief description of 1-2 pages is enough with:

• Target audience (age, preferences).
• List of levels or tasks.
• Mechanics (as a player wins/loses).
• An example interface (where the buttons, score counter, etc. will be located).

For visualization, use free tools:

- Trello or Notion to structure tasks.

- Figma or Adobe XD for interface prototyping.

- Aseprite (for pixel art) or Blender (for 3D models).

Example of minimum GDD for the game "Bouncing Ball"

Name: Bouncy Ball
Genre: Arcade / Platformer
Player goal: Get to the finish line by jumping on platforms and avoiding spikes.
Control: Tap the screen to jump.
Levels: 10 levels of increasing difficulty.
Graphics: 2D, bright colors, minimalistic design.
Monetization: Advertising between levels (optional).

5. Development and testing of a prototype

When the concept is ready, start creating prototype a simplified version of the game with basic mechanics. At this stage, there is no need to waste time on graphics or sound: the main thing is to check how interesting the game is in terms of gameplay.

Action algorithm:

1. Create a minimum level with basic elements (for example, for a platformer: player, platforms, obstacles).
2. Implement basic mechanics (jumping, movement, collisions).
3. Test on different devices - even a simple prototype can slow down on weak smartphones.
4. Collect feedback from friends or on forums (for example, itch.io or Reddit).

Typical mistakes at this stage:

• 🐢 Optimization "later": If the game is already slow at the prototype stage, it will be worse in the final version. Use a profiler (Unity Profiler or Godot Debugger) to find bottlenecks.
• 🎨 Too many details: Do not waste time animating each leaf if you are not sure that the mechanics work.
• 📱 Testing on only one device: What works on Samsung Galaxy S23may not run on Redmi 9A.

To speed up development, use ready-made assets:

- V Unity: Asset Store (free packages 2D Platformer, UI Packs).

- V Godot: Godot Asset Library or itch.io (search by tag godot).

- For sounds: Freesound.org or OpenGameArt.org.

6. Optimization and preparation for release

When the prototype is approved, it’s time to bring the game to fruition. It is important to pay attention to three aspects here: performance, usability and compatibility.

Performance optimization

Mobile devices have limited resources, so even a simple game can slow down if you do not follow the rules:

• 🖼️ Textures: Use compression (ASTC for Android) and reduce the resolution. In Unity adjust Texture Compression in the importer.
• 🔄 Objects: Disable invisible objects (SetActive(false)and use Object Pooling instead of constant creation/destruction.
• 📊 Physics: Limit the number of physical objects and use FixedUpdate instead of Update for stability.

Usability and interface

On mobile devices the screen is small, but the users’ fingers are large. Follow the rules:

• 👆 Button size: Minimum size - 48x48 pixels (recommendation Google Material Design).
• 🎯 Touch zones: Arrange elements so that they are easy to press with one hand (for example, control buttons - in the lower corners).
• 🔊 Sound and vibration: Add tactile feedback (Vibration API) for important events (for example, a collision).

Device compatibility

Android fragmentation is the main headache for developers. To make the game work on most devices:

• 📱 Supported versions: Set minSdkVersion at least 21 (Android 5.0) to cover ~95% of devices.
• 🔧 Permissions: Request only necessary permissions (for example, INTERNET for advertising, VIBRATE for giving back).
• 🌍 Localization: Even if the game is in English, add support for Cyrillic in fonts.

Before release, test the game on:

• Devices with different screen resolutions (for example, 720p, 1080p, 2K).
• Weak smartphones (for example, Redmi 7, Samsung Galaxy A10).
• Tablets (check interface scaling).

7. Publishing the game on Google Play

When the game is ready, it’s time to share it with the world. Publishing it on Google Play consists of several stages:

1. Register a developer account

Create an account on Google Play Console. — $25. You will need:

• 💳 Payment by card or via Google Pay.
• 📝 Filling out the developer profile (name, email, website).
• ☑️ Acceptance of the distribution agreement.

2. Preparation of materials for the game page

The quality of the design determines whether users will want to download your game. Minimum set:

• 🖼️ Icon: Size 512x512, without text, bright and memorable.
• 📸 Screenshots: 4-8 pieces, showing gameplay and key features. Resolution - 1920x1080.
• 🎬 Video: Short trailer (30-60 seconds) demonstrating the mechanics.
• 📝 Description: Short (the first 2 lines are the most important!) and complete. Use keywords for ASO (search optimization).

3. Downloading the assembly and setting up the release

In Google Play Console:

1. Create a new application and fill out basic information (name, category, age rating).
2. Download APK or AAB (recommended .aab — Android App Bundle).
3. Customize the price (free/paid) and distribution geography.
4. Fill out a questionnaire about the content (for example, the presence of violence, advertising).
5. Submit for review (usually takes 1-3 days).

⚠️ Attention: From August 2021, all new applications in Google Play must be published in the .aabformat. If you download .apk, the system will automatically convert it, but this may lead to an increase in file size.

4. Monetization

There are several ways to make money on the game:

• 💰 Paid. loading: The user pays once when downloading. Suitable for niche games with unique gameplay.
• 📺 Advertising: Integration AdMob, Unity Ads or AppLovinYou can show banners, videos between levels or rewarded advertising.
• 🛍️ In-app purchases: Sale of game currency, skins, levels. Requires setup Google Play Billing.
• 🎁 Hybrid model: Free game with optional purchases and advertising.

For beginners, the easiest way to start is advertising (for example, AdMob). To connect it:

1. Register in AdMob and create a banner/video.
2. Add Google Mobile Ads SDK to the project (in Unity - via Asset Store, in Godot —via the plugin).
3. Place advertising blocks in logical places (for example, after a loss or between levels).

8. Promoting the game after release

Publishing in Google Play is only half the success. Without promotion, even a great game can get lost among millions of others. Here are some working strategies:

Free methods

• 📢 Social networks: Create pages in VK, Telegram, Instagram. Post trailers, screenshots, announcements of updates.
• 🤝 Forums and communities: Share the game on Reddit (r/AndroidGaming), 4PDA, itch.io.
• 📊 ASO (App Store Optimization): Optimize the title and description for keywords (use Google Keyword Planner or MobileAction).
• 🎮 Game Jams: Participate in hackathons (for example, Ludum Dare) - this gives experience and attention from the community.

Paid methods

• 📺 Advertising campaigns: Run targeted advertising in Facebook Ads, Google Ads or through networks like AppLovin.
• 🤳 Influencers: Send the game to bloggers for review (even small ones - this gives the first installs).
• 🏆 Featured: Google Play sometimes highlights interesting new products in section "Recommended". To increase your chances, follow Google requirements.

Analytics and updates

Track statistics in Google Play Console and Firebase:

• 📉 User retention: If 80% of players leave the game after the first launch, the problem is onboarding (training) or difficulty.
• 💰 Monetization: Compare income with the number of ad impressions (low eCPM? Try another network).
• ⭐ Reviews: Respond to negative comments - sometimes this helps improve your rating.

Regularly release updates:

- Fix bugs (even small errors can alienate users).

- Add new content (levels, characters) to retain the audience.

- Experiment with monetization (for example, test different advertising formats).

FAQ: Frequently asked questions about creating games on Android

🔹 Do you need to be able to draw to create a game?

No, not necessarily. You can:

• Use free assets from Unity Asset Store, Godot Asset Library or itch.io.
• Hire an artist at Fiverr or Freelance.habr.com.
• Use sprite generators (for example, Piskel for pixel art).

Many successful indie games (for example, Stardew Valley) were made by one person without professional drawing skills.

🔹 How long does it take to create the first game?

Time depends on difficulty:

• Simple 2D game (like "Snakes" or "Flappy Bird"): 1–4 weeks.
• Average project (platformer with 10 levels): 2–6 months.
• Complex 3D game (open world): 1–3 years (and a team of several people).

For the first game, we recommend limiting yourself to a project for 1–2 months so as not to lose motivation.

🔹 Is it possible to make money on mobile games?

Yes, but income varies greatly:

• Advertising: $0.5–$5 per 1000 impressions (depending on the country and network).
• In-app purchases: 1–5% of players make purchases (with proper monetization).
• Paid games: The average price is $1–$5, but competition is high.

Example: a game with 10,000 active users per month can bring in $100–$1000 from advertising. However, most games do not even reach this level - success is achieved by those who constantly improve the project and are engaged in promotion.

🔹 What kind of computer is needed for game development?

Minimum requirements:

• For 2D games: Any PC with 8 GB RAM and processor Intel i3/Ryzen 3 (for example, Lenovo ThinkPad or home PC).
• For 3D games: For 16+ GB RAM, video card NVIDIA GTX 1060/RTX 2060, processor i5/Ryzen 5.

For Unity and Unreal Engine a video card is important (especially for 3D rendering). For Godot and 2D projects, integrated graphics are enough.

🔹 Do you need to register an individual entrepreneur to publish a game?

No, if you:

• Publish the game as an individual (in Google Play Console you can indicate your name).
• You do not plan to earn more than 200,000 rubles per year (in Russia this is the threshold for the self-employed).