Pick the platform you're most comfortable with and start writing. It's more important that you get something to market as fast as possible, even if it's Apple-

Pick the platform you're most comfortable with and start writing. It's more important that you get something to market as fast as possible, even if it's Apple-only. You can always go cross-platform for a V2 release if it takes off. You can't, however, get back all the time you'll spend learning a new platform before you even get started.