After years of development, Google’s first Android-powered phone is finally here — well, almost. T-Mobile is expected to unveil the HTC Dream at a closed media event Sept. 23, with the device rumored to hit store shelves by mid-October. The question, then, is whether the Dream — and the Android concept on the whole — can actually deliver. It’s a daunting task to try to topple the king, particularly one as popular and heavily hyped as Apple’s iPhone.