Windows Phone was really snappy even on the low end devices. Android at the time had significant lag issues. The UI was fairly consistent. There was no guess

Windows Phone was really snappy even on the low end devices. Android at the time had significant lag issues. The UI was fairly consistent. There was no guessing what was a button, what an accidental drag would do, etc. The live squares on the homepage, in my opinion, are still better than anything iOS has come up with.