I don't know how knew they are but I just wanted an app guide for us f7 users,!
https://play.google.com/store/apps/details?id=com.ninja.sms this app will let u see and reply to ur text with out interrupting ur YouTube or games
https://play.google.com/store/apps/details?id=com.sudsoftware.floatingyoutubepopupplayer this is some as the other app but for you video on YouTube... Just find ur video share it with the app and multi task away
https://play.google.com/store/apps/details?id=com.ninja.sms this app will let u see and reply to ur text with out interrupting ur YouTube or games
https://play.google.com/store/apps/details?id=com.sudsoftware.floatingyoutubepopupplayer this is some as the other app but for you video on YouTube... Just find ur video share it with the app and multi task away