[WCAG 1.4.2] Support audio control

docs/guidelines/platforms/android/guideline_percievable_android.md

@@ -311,6 +311,25 @@ Make sure that color isn't the only visual cue used for conveying information, i
 
 _Important to note is that this guideline primarily depends on accessible design._
 
+### Audio control (WCAG 1.4.2 - Level A)
+
+If any audio plays automatically for more than 3 seconds, there should be [an option to pause or stop the audio](https://developer.android.com/guide/topics/ui/accessibility/principles#media-content), or a way to adjust the audio volume independently from the overall system volume.
+
+> This guideline covers _1.4.2 Audio control - Level A of the WCAG standard._
+
+:white_check_mark: **Success technique(s)**
+
+- Playing sounds only on user request
+- Providing a way to pause or stop the sound
+
+[Media3 ExoPlayer](https://developer.android.com/media/media3/exoplayer) provides built-in support for controlling audio playback, including pausing, stopping, and adjusting the volume so it is preferred to use it for media playback. Implementation details can be found in the official documentation for [ExoPlayer](https://developer.android.com/media/media3/exoplayer/hello-world).
+
+:no_entry_sign: **Failures**
+
+- Playing sounds that last longer than three seconds without the option to pause or stop them
+
+_Important to note is that this guideline also depends on the accessible design._
+
 ## Other perceivable guidelines
 
 This section includes guidelines that may not apply to the Android platform or fall under the mobile team’s responsibilities. However, please keep in mind that these guidelines still need to be met."