Android Column GridView, variable width like GooglePlus App

Question

So like most we have all used/seen the Google Plus App.

What interests me is the ColumnGridView they have developed, which not only does variable width, but variable

Answer 1

StaggeredGridView currently exist in the frameworks/ex/widgets/ folder of AOSP which appears to be what Google+ is using (or a variant of it, likely).

It was going to be in the latest support library release (r11) until it was reverted by Katherine Kuan in b54e36f2 and moved to the experimental repo.