HTC’s unreleased Sense 3.5 UI has been shown off extensively ahead of its formal introduction thanks to Chinese-language website Expected to be unveiled alongside the upcoming HTC Vigor and Bliss Android smartphones, Sense 3.5 will seemingly offer some great enhancements to the UI including new animations, a new side-mounted dock and a tweaked unlock mechanism. We have repeatedly called HTC’s Sense overlay the best such offering among Android vendors and as such, it’s nice to see HTC make some solid improvements in its upcoming new version. The full 5-minute preview video follows below.

[Via Droid Life]