One of my clients has the HTC One, and while it’s a fantastic smartphone with lots of great features, it can be a little tricky figuring out how to customise the home screens and application dock. For some reason HTC does this very differently from other Android phones such as the Samsung Galaxy range.
Anyway, after a little searching around I came across this short video that shows how you can move icons out of and into the Dock. Easy when you know how!