It appears Acer isn’t the only company who’s hard at work on Android devices. During an investors’ conference call yesterday, Motorola’s chief executive Sanjay Jha said Motorola plans to launch “a few” Google Android smartphones at several different price points in the fourth quarter of this year. Interestingly, Jha didn’t even mention a word about Windows Mobile, the other smartphone platform Motorola has pledged to support. “With Android we believe we can enable differentiated consumer experience and applications,