If you like Bpsk31 you will love this app.
Basically its a radio ham modem tweaked on mobile device.
You can browser 10 channels per time.
If you want to join a qso select it, and it will open a view
with the spectrum analyzer tuned on the right frequency.
You can type or use macros to send your message.
Type / trasmit in real time (NOT send entire line at a time)
With many features and improvement coming from Ipsk31,
this app is fast and powerful.
Check out this video for a short introduction
http://youtu.be/FzT6KvG0Oq4