This application opens the USB connection settings, so you can turn MTP or PTP. Depending on the version of the android, the application may request to run the developer options. This is necessary from version 6.0. Aplikacja pozwala na zmianę na typ: Picture Transfer Protocol (PTP) allows to transfer images form digital camera to the computer without the need of additional device drivers. Media Transfer Protocol (MTP) allows media file to be transferred automatically to and from portable device.