It's especially great for shooters, although it doesn't quite have enough buttons for MMO games. (tomsguide.com)
There's just never enough buttons and charging ports in this world. (gizmodo.com)
On the left edge is a volume rocker, easily found with the finger and with enough button travel to leave you certain you've pressed it, while on the right edge is the power / lock button and, further down, three charging contacts for the various docks Samsung and Google plan to eventually release. (slashgear.com)