The V.BTTN Cam app can snap photos and videos and when a V.BTTN is connected to the app, the V.BTTN can be used as a remote control for the app.
For photo, a short press snaps a photo. For video, each short press start/pause the video recording.
Swipe left will display the settings. Swipe up will display the list of V.BTTN available.
One or more V.BTTN can be connected.