Repository link on Github: https://github.com/bammellab/GamepadTest

Screenshot of application:

This Android App listens for connected GameControllers and displays the joysticks, buttons, and Dpad visually.

The app was developed and tested so far with the TRUST GXT 590 Gamepad:

https://www.trust.com/en/product/22258-gxt-590-bosi-bluetooth-wireless-gamepad

What I have found from casual experimentation is that the TRUST GXT 590 toggles between connecting via BlueTooth to my Xperia phone as a regular device and as an "Input Device". It MUST be in the "Input Device" mode to work as a GamePad. So I toggle it by reconnecting. Sometimes I have to make the Bluetooth system forget the device and do another Pair operation before things get back to "toggle" mode. Basically pretty bad for reliability.

This compatibility matrix writeup is the first sign that I have seen that Google is paying attention to gamepad issues.

That is a good sign. Unfortunately for Android - looks like it is in Android 10 that things have changed. And I have Android 9 on my Sony Xperia phone, LOL. I will update after I get my hands on an Android 10 based phone.

https://support.google.com/stadia/answer/9578631?hl=en

One big feature that is missing is any control over vibration on the gamepads. They are only a source of input events. No control over a gamepad is evident.

[Feature Request] Support for rumble on controllers https://issuetracker.google.com/issues/161057609

37115804 Add support for Xbox One S controller over Bluetooth https://issuetracker.google.com/issues/37115804

[Android 11 DP/Beta] Bluetooth Gamepads Aren't Reported as Source of Input Events https://issuetracker.google.com/issues/163120692

[Android 11 Beta] XBox Controller (FLAGGED as WONT FIX) https://issuetracker.google.com/issues/158758782

I notice that the Xbox Gamepad changed from KEYCODE_BACK to KEYCODE_SELECT on the left button at the middle of the unit (with the two squares).

On hacking the keymap to workaround the default button mapping:

https://www.reddit.com/r/GeForceNOW/comments/fkw2il/guide_fix_for_the_incorrect_xbox_controller/

Evangelos Oganesov

https://play.google.com/store/apps/details?id=com.Evag.UACL

elron

https://play.google.com/store/apps/details?id=ru.elron.gamepadtester&hl=en_US

https://forum.unity.com/threads/heres-all-the-buttons-for-a-gamepad-for-android.732698/