Needs Tweaks
I know its a work in progress, but here are some things that are definitely needed:
- the platforms that you've already jumped on should disappear so that the user knows what is safe(since apparently you can't reuse them)
- a random platform generator (which I am sure you are working on anyway)
Otherwise, the idea is solid. I've developed for iPhone before, and it was great fun. Have fun with this project!