Bluetooth Chat(Room Chat)

Bluetooth Chat with emoji like WhatsApp, now you can chat without any charges in your class room, this messenger send short messages over short distances, communication doesn't result in any charges, messages are sending directly between devices, range depends on the device and obstacles,

Features:
* Notification on receiving message
* Send receive message
* Check whether device is in range, PING function
* Assign contact to device
* Encrypt messages

Communication takes place directly between two devices equipped with this software, devices must be within communication range, devices must be paired and Bluetooth must be enabled.

If there are other bugs in the app, please let me know and I'll try to address them.