OPIAViewer is a multimedia application by Vicovation Ltd. that works as an assistant to the Vico-Opia1 WiFi drive recorder. The app is available for free on the Android platform and can be used to connect and set up the Vico-Opia1 driving recorder. It also allows users to easily backup the recorded videos to their mobile phones.

One of the key features of OPIAViewer is its ability to provide instant image preview of the recorded videos. Users can also playback the video files and download them to their phones. The app has a simple and easy-to-use interface, and the operation part is well set up. The app supports English, traditional Chinese, and simplified Chinese languages.

Overall, OPIAViewer is a useful companion app for Vico-Opia1 WiFi drive recorder users who want to easily backup and access their recorded videos on their mobile phones.