Unity is a versatile game engine that offers developers various features and tools to create engaging and interactive games across different platforms. To develop Unity games on iPad, you need to follow some basic steps that will help you create an excellent gaming experience for your target audience. Here are the steps you should follow:

1. Download and Install Unity
   The first step is to download the latest version of Unity from the official website and install it on your computer. Follow the installation instructions carefully, and make sure that your system meets the minimum requirements for running Unity.

2. Create a New Project
   Once you have Unity installed, open the Unity Hub and create a new project using the "Create New Project" option. Select "2D" as the template and give your project a name. You can also choose whether to use C or JavaScript as the scripting language for your game. The 2D template is an excellent choice if you are planning to create a side-scrolling game or a platformer.

3. Add Assets to the Scene
   The next step is to add assets to the scene, which will help you build your game world. You can add various assets like sprites, backgrounds, sounds, and particle effects by dragging and dropping them onto the scene in the Unity editor or using the "Assets" menu at the top of the screen. If you need more advanced features like importing and exporting assets, you can use the Asset Store to access a vast library of pre-made assets.

4. Write Scripts
   To add game logic, write your game logic using C or JavaScript and attach scripts to game objects in the scene by dragging them onto the objects in the editor. You can create custom scripts for specific tasks like character movement, collision detection, and user interface elements. Unity also provides built-in scripting features that you can use to create more complex games without writing additional code.

5. Incorporate Touch Input

   
   Creating interactive games for iPad is a key advantage of developing games with Unity. Incorporate touch input into your game logic to allow players to interact with the game using the device’s touchscreen capabilities. For example, you can create a puzzle game where the player has to drag and drop objects onto specific areas of the screen or a platformer game where the player has to jump and dodge obstacles using touch input.

6. Optimize Your Game
   Optimizing your game for performance and battery life is important when developing for iPad. Follow best practices for mobile development, such as using efficient textures and minimizing draw calls, and use Unity’s built-in profiling tools to identify performance bottlenecks in your game and make optimizations as needed. You can also test your game on different devices and platforms to ensure that it runs smoothly and looks great on all of them.

7. Publish Your Game
   Finally, publish your game on the App Store once you’ve finished developing it. Follow the App Store’s guidelines for submission and marketing to ensure that your game reaches a wide audience of players. You can also use social media platforms like Facebook and Twitter to promote your game and build a community around your brand.

In conclusion, Unity is an excellent tool for developing engaging and interactive games for iPad. By following the basic steps outlined above, you can create a game that provides an excellent gaming experience for players while also optimizing performance and battery life. With Unity’s vast library of assets, scripting features, and built-in tools, you have everything you need to create a successful game on this popular platform.