ZPi Controller App is a convenient remote controller for the selfie app: "ZPi".
Provided remote control functions include: focus, shutter, zoom in, zoom out, camera switch, power-saving mode switch.
ZPi Controller works via sonic remote control that can be functioning without the availability of either network or bluetooth connection. Users can use a smartphone to control another smartphone that is activating ZPi.
With ZPi Controller, users wont need to buy an extra remote controller hardware.
Variant phones/pads can be used to control each other which has ZPi on it.