app launch

Hello all, I am looking for a good platform for building sound related application like music player, video player, video cutter etc. I want to know which platform will provide flexibility, easy to code, user friendly interface where i can work with acoustic fingerprint or binary file of any...

Guys I am planning to release an iOS app in sometime during JAN, this is my first app, and I have never been involved in app marketing before, it will be great if you guys can help or point me to people who have successfully marketed apps in the past.