Serving China's app-hungry billion mobile owners
22 May 2012 Last updated at 00:12 BST
As China's mobile market continues to grow rapidly, the BBC meets the local entrepreneurs hoping to create apps to satisfy the needs of one of the world's biggest mobile phone markets.
However, with most consumers reluctant to pay for mobile services - and with the constant threat of having ideas stolen - can Chinese businesses really hit the big time?
John Sudworth reports from Shanghai.