Note: if you have trouble to get the devices discovered or connected, it could be the issue of your router not supporting Bonjour Networking well. In this case, you can either try to restart your router or setup personal hotspot in iOS 5 setting. Personal hotspot may give more reliable connection and fast performance. Once setup, it will appear with other wifi networks in your wifi connection setting.

Have more than 1 iPhone or iPad, iPod device? then it is fun time now. Camera Wifi Live Streaming allow you to stream camera video from one iOS device to another. Notice: This app doesn't transfer audio at the moment.

Features:
a. Support wifi or personal hotspot connection
b. remote flash control
c. switch between different video orientation
d. switch between HD and LOW resolution

Requirements:
a. Two iOS devices, at least one with camera equipped
b. Devices used need to have iOS 4 or higher
c. A local wifi network or iOS personal hotspot

Auto-Lock issue:
Auto lock can be turned off in your device Settings -> General -> Auto-Lock -> Never.