Even my cheap Android phone allows writing an email whilst watching a YouTube video: http://imgur.com/a/s9MpE http://imgur.com/a/s9MpE It's a Galaxy A5 (2016)

Even my cheap Android phone allows writing an email whilst watching a YouTube video: http://imgur.com/a/s9MpE http://imgur.com/a/s9MpE It's a Galaxy A5 (2016) and it's a fraction of the price of a Galaxy S7 or iPhone 7...