Down The Hill, developed by NextWaveMultimedia, is a java based game available for Symbian touch phones viz. Symbian^1 (S60v5) and Symbian^3. Down The Hill needs no tutorial to get started with, its a simple game involving a cart, which you have to keep intact by avoiding obstacles.
All that needs to be done is touch the screen to make the cart jump and save itself from bumping into rocks and other things. Good mobile game to pass time with.