Are you trying to install the app on a or an Android Box/Phone ?
Download the latest OTTPlayer APK from Aptoide or Google Play. Samsung Tizen (Newer TVs): Search for Media Station X in the app store. Go to Settings -> Start Parameter -> Setup. Enter: widget.ottplayer.tv . TГ©lГ©charger Codeottplayer2 txt
In the TV app, use the red button on your remote to save settings and login credentials. To help you better, could you clarify: Are you trying to install the app on