#####As Bo mentioned
1.Scene Menu- show all the options Main,- game scene About, - about this game , about us Setting - all the settings on sounds, music etc...
2.Major main game scene. (some may optional)
- main person can run, jump , double jump(optional)
- background and platforms can change,
- can get coins or other bonus.
- can show running distance and show score.
- can collision with monsters and die
- can drop to water and die
- can get some special staff and run faster
- can shoot?
- bk ground can be generated automatically