Any information that is provided by user is stored locally. Vimu by itself do not send any provided information over network. Vimu does not collect any statistics or personal information. Vimu do allow for videos to be played via various network transports. Cookies are not stored at any point. Authentication credentials can be stored optionally on the user's local device upon the user's explicit request.
If Vimu application crashes, crash report will be sent to developer's web server. This report may contain identification information (device model, manufacturer, device id). This information is used only for debugging purposes and erased from the server in regular basis. This action can be completely disabled in application's settings.