First, examine the audio files in the media folder of the repository. Then, review the existing Blockly for Android code to understand where to trigger sound effects. A good starting point would be to look for where connect, disconnect, and trash events are handled and add audio playback calls there. Since there are no comments or linked PRs, this requires exploring the codebase to find relevant event listeners or callback methods.
Sound Effects · google/blockly-android#493 | Good First Issue