fixed a bug with incorrect handling of the BACK button/gesture

optimization + bug fixes

* auto-repeat in the virtual (on-screen) text keyboard;
* bug fixes.

bug fixes

bug fixes

bug fixes

* user files are now available through the Files app;
* partial USB/Bluetooth keyboard support (no key release, no Home/End, no F1/F2/...);
* camera selection and rotation (in the system settings);
* lists of recent files and folders have been added to the file browser;
* max image size has been increased to 256x256;
* now it's possible to change the sampling frequency and the frame rate (FPS) in the video format settings;
* new shortcuts: I - invert; N - normalize;
* new shortcuts: 1,2 - contrast -/+; 3,4 - gamma -/+; 5,6 - finetune -/+; 7,8 - repeatX -/+; 9,0 - repeatY -/+;
* new shortcuts: left,right,up,down - move the image in the Receiver;
* bug fixes.

* new Transmitter parameter: Camera (ON/OFF); so now you can transmit the video stream from camera;
* new Receiver parameters: Repeat X, Repeat Y;
* bugs fixed.

* Receiver is now enabled in Windows, Linux and OSX versions;
* new Transmitter parameter - Noise modulation level;
* new buttons on the main screen: System Settings and Video Format; so now you can change the video stream resolution;
* additional File Browser functions: Remove, Rename, Cut, Copy, Paste, Create Directory;
* now you can see the file size in the File Browser;
* bugs fixed.