German Youtuber Quiz (com.DeutscheYoutuber.bycoflnet) on Google Play
WhoIs for 'DeutscheYoutuber.com'
not recommended for non-German this app includes only German Youtuber so you will probably not get very far looking at further apps there is also a German Version of Available - translated using Google Translate if you have found an error, please write it in the evaluation function