Sure, Danger's servers are going away, but the Sidekick brand belongs to T-Mobile -- and that particular component of the teen-friendly smartphone ecosystem pioneer isn't going anywhere. Of course, the carrier's been saying for a couple months now that it'd be relaunching Sidekick on Android, but they're making the device very official today with the unveiling of the Samsung-sourced Sidekick 4G. Though it lacks a swiveling display, T-Mobile is quick to note that the phone's got a "pop-tilt" mechanism that should still be pretty unique in the market -- and this is
