From Jaklub:

System Trouble R4 (previously called Geometry World) This is a platform game about the MS DOS system. The red ball makes it work by passing next level.
Changelog: (+ additions * modifications - removed)
+ Yoshi
+ 17 new levels - it's 51 levels total
+ wings item
+ new objects and traps
+ 2 new languages to use (Italian and Spanish)
+ fonts - bios font is shown only on loading
+ level select - it's temporary, I'll work on saving system
+ home can be used to exit from game. Hooray!
* eboot
* menu
- passwords