2.0
New graphical design
Half/Full duplex communication
PTT and Toggle mode for transmitting
WiFi Hotspot supported (you can use one of the phones as a WiFi AP)
2.1
fixed sound transmission quality
2.2
Now you can change backgrounds on the button in the lower right corner
The WiFi Talkie new works in the background and in sleep mode
Communication application over a local WiFi network.
Once connected on a WiFi network, select a channel, and start talking.
Press and hold the mic button to talk.
NOTE: some phones do not work correctly receiving UDP broadcast packets, such as:
http://code.google.com/p/android/issues/detail?id=8407
So, this application is not compatible with those phones.