The mobile application space is extremely fast changing now then ever.
Almost all companies need a mobile application. Mobile is being used for almost everything, here are few companies which raised a lot of money on mobile applications -
1) inmobi-raises-200-million-from-softbank/
2) onward mobility raises 18Cr
3) Square mobile payment solution raises $100M
4) Photo sharing app Instagram raises $7M
5) Color raises $41M for sharing photos based on location and groups ;)
The point is the mobile applications and related products and services have become very hot. Its good to be in this business ;)