HTC DESIRE 820 MARSHMALLOW  OFFICIAL UPDATE WITH HTC SENSE 7.0
Channel: The Honest Venom
Date: 2016-05-10

This shows some features of marshmallow running on HTC Desire 820. This update brings not only Android 6.0 but the update for HTC Sense to 7.0 which was 6.0 previously.
The video displays some of the cool features of Android's latest version , that I have observed.
Please post in comments if you wana add any new features that you have observed.
Cheers!