As we already know, Google updated native YouTube Android app to support 720p HD video playback but sadly HD playback is only working on phones with 720p HD screen display such as Samsung Galaxy Nexus, Samsung Galaxy Note and HTC Rezound. So, the feature remain to Android Tablets and a few phones. Most of android smartphones owners are still behind enjoying high quality youtube videos on their device. But not anymore, in courtesy of xda developer theos0o we can now watch HD videos on regular android smartphones.
You can download the hacked YouTube apk with 720p HD video feature from the links below:
To install on your device first Removed /system/app/YouTube.apk, If YouTube is still there, just go into its app info tab and tap “Remove installed updates” or something, then “Force stop” and Install the download APK manually. Stay tuned with us at Facebook and Twitter, Google Plus to get updates on latest Android Apks. source.