The menu bar at the bottom is still visible. 
- Yes
The menu bar is still responsive. 
- Yes
The music is playing? 
- Yes, I can't remeber if the music was playing after I had started a challenge or match, will report back with that if I encounter the bug again. But before that, when choosing what to do, it was rocking that sweet tune (part of why I bought the game, something about it just felt right 

 )
The game is working? (drag your finger around a bit and it should vibrate when a shot is played). 
- No, forgot to mention that in my post, my bad...