# Testing and debugging

> Contains guidance on testing and debugging for Android.

This section of the User Manual contains guidance on testing and debugging Android applications.

| **Topic**                                                                                                                                                            | **Description**                                                                      |
| -------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------ |
| [Debug on Android devices](/engine/6000.3/manual/platform-specific/android/developing/testing-and-debugging/debugging-on-an-android-device.md)                       | Debug your application on an Android device via a USB or wireless connection.        |
| [Android symbols](/engine/6000.3/manual/platform-specific/android/developing/testing-and-debugging/symbols.md)                                                       | Generate symbols to help you debug a built Android application.                      |
| [Simulate an Android device](/engine/6000.3/manual/platform-specific/android/developing/testing-and-debugging/device-simulator.md)                                   | Simulate how your application will appear and behave on an Android device.           |
| [Collecting performance data on an Android device](/engine/6000.3/manual/platform-specific/android/developing/testing-and-debugging/profile-on-an-android-device.md) | Connect an Android device to Unity and profile your application.                     |
| [Application patching](/engine/6000.3/manual/platform-specific/android/developing/testing-and-debugging/app-patching.md)                                             | Perform an application patch, rather than a full build, to increase iteration speed. |
| [Troubleshooting for Android](/engine/6000.3/manual/platform-specific/android/developing/testing-and-debugging/troubleshooting.md)                                   | Solve common issues when developing for Android using Unity.                         |

## Additional resources

* [Unity Remote](/engine/6000.3/manual/platform-specific/cross-platform-features/unity-remote5.md)