The company has already stated celebs are not paid to sign. Some have stated they like the profit sharing of Mobio so they can use the extra funds for variety of things such as charity work or maybe they just want an extra revenue stream.
Good luck in your DD. Lots of news items to go through. Your right though it looks like it had a good pull on the charts and maybe its setting up for another run?
News 
Market Data 
Discover 
