A Few days ago, YouTube officially announced the double tap seek gesture feature for the mobile users to seek the video.
This new feature provided a quick 10 seconds jump to all mobile users to forward and backward. Today that feature is now available for all mobile users. Today YouTube, Android app got the new update with double tap seek further.
Below is the screen shot of the double tap seek feature.
You can adjust the seek time from the settings menu. Go to the Settings > General > Double Tap to seek to adjust the seek time.
Below is the link to download the APK File
YouTube v 12.05 APK