I did a AWS WorkMail Exchange Inbox install the other week on a Android Sony Xperia install was with out any hitches.
'Droid Gmail on Exchange
Google's Gmail client for Android now supports Microsoft Exchange. Google says an update that will roll out over the next few days will "support users using dual delivery mail flow or calendars with Microsoft Exchange. Sysadmins can likely look forward to a BYOD barrage as Android users start to aim their devices at Exchange …