[ConceptDog]

Round 2 of the mobile wars will be won in the same way as Round 1, by casting the widest net amongst all the platforms.

People make money by producing many apps on iPhone now. People will make more money producing many apps on many platforms in the near future.

[kenjackson]

Correct. Despite popular belief, most devs don't have an infinite number of well-formed ideas in their head. I'd say do your apps on iOS first. Then do the same apps on the other platforms. It's relatively easy, and gives you time as other ideas formulate.