(Important : ONLY for the camera which has iCatch Technology Chip's inside!) All new design version, it will more speed, more compatible. The app is a remote controller for the camera which has embedded iCatch Technology Inc.'s new chip. You can connect the Camera or Action Cam by Android Smart Phone or Pad with iSmart DV 2 App, after established the connection, you can live view the camera video stream, trigger start movie record, take a picture, view the thumbnail, and download the video