1) Can be done with sprite objects & events
2) Not sure what purpose this would have. Probably better off using the Sprite Font object.
3) Can probably be done with physics behavior.
4) Grid could be nice I guess, but you're better off using an image editor of your choice and then using C2's for minor tweaks, placeholders, etc.
5) Looks like a pretty standard jump to me. What's the difference?
6) Pretty sure this can be done with "loader layouts"
7) Eh. There are 100 threads on why this likely won't happen.