Software abilities:

-- In manual mode: some of devices creating a groups, become a group owners and waiting for users. Users can connect to them and then upload file, download file, send toast comment and exchange messages with group owner that each of them have, doing all this by pressing a buttons.

-- In automatic mode: Users automatically select few (from 1 to 20) of group owners from list of available group owners and trying to connecting to them one by one. When connected, they exchange messages that they have and disconnect.
Users repeating this work every few (from 1 to 60) minutes. When messages exchange with few of group owners is done, users waiting those minutes until next step. If network structure is not configured yet, it may take few steps of minutes waiting to autoconfig itself.

This software don't use Internet, don't send and don't request anything from it.
Internet permission that requested is needed by WifiP2pManager of Android itself.

New in version 1.1
- new ability in Manual mode: user can show to group owner's screen it's camera picture and back. Pictures transfering using Wifi Direct to other device as a separate jpegs that goes on and on while someone don't press "break" button. To show pictures stream, start camera pressing "start" button, and call to group owner pressing "call" button.

Screenshots: