Optimization 1. More ClearlySupport 720P/1080P; 2. More Smoothly 3. 36 times electronic zoom; 4. 16 channel preview IP/NVR 5. Support preview any resolution of sub stream 6. New version check and setup guide; 7. App download qr-code share;Gestures: 1. Page or switch group in single split: Single finger swipe or two fingers swipe 2. Page or switch group in multi-split: Two fingers swipe 3. Exchange channel in multi-split: Single finger pan 4. PTZ directions :Single finger pan 5. PTZ Zoom: pinchCompatibility: 1. Hybrid DVR 3.0; 2. NVR 3.0; 3. TVI/AHD 4. iOS 8Fix some bugs: 1. Picture viewer proportion error