(First time only) Please go to Settings > Security, and turn on Unknown sources, this step enables you to install apps out of Google Play.
(First time only) After turn on Unknown sources, you could move to Downloads. Then you can click the downloaded Y2Mate.com Downloader apk to install.
Y2Mate.com Downloader is not on Google Play due to Google’s Policy which prohibits YouTube downloading apps for copyright concern. Y2Mate.com Downloader is safe, not virus or malware. We appreciate your trust. If there’s any questions or concerns, feel free to contact our staff: m.me/y2mate.tv