There may be times when a mobile app stops responding, specifically on the Android world. You may experience something like this:
To troubleshoot this, close the app and head on over to your Android system settings. Look for and choose Apps
On the next screen search for BuildTools and open it
Scroll down and tap on Storage
Finally, tap on Clear cache
This should help with any issues your BuildTools mobile app might be experiencing. If the steps above do not help or you have additional questions, please reach out to Support