PLANEX SmaCam is a free IP Camera Viewer designed for CS-QR series. This Android application allows users to access live video and audio of their cameras, with a resolution of up to 1280x720 pixels. Additionally, it enables users to take snapshots and playback recorded full-time or event videos. The application also features motion detection, which triggers event video recording and push notifications.

The user interface is intuitive and straightforward, making it easy for users to navigate through the app's various features. The app is also stable and responsive, ensuring that users can access their cameras without any lag or delays. Overall, PLANEX SmaCam is a reliable IP Camera Viewer that provides users with a range of essential features for monitoring their CS-QR series cameras.