It's Digger on the PSP! Eat the emeralds and the gold.  Avoid the bad guys by squishing them with the gold bags or eating them after you get the magical cherry powerup.

Analog nub or dpad to move
Cross to shoot
Square to increase game speed
Circle to decrease game speed
Start to pause

No your speakers aren't broken, I just haven't added any sound or music yet.

- Sektor
- http://gtamp.com/PSP