Rii keyboard: "home / menu / back / search" buttons?

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http://forums.androidcentral.com – Hi, I have a Rii Mini Bluetooth keyboard (model # RT-UMK-100-BT) that I've started to use with my Rezound. To your knowledge, are there any keys (or key combinations) on this mini-keyboard that correspond to the bottom row of "basic" keys (home, menu, back, search) on the Rezound itself? Thanks (HowTos)