Until now, Android users have had to access their Hotmail accounts via their mobile Web browsers. Seven, by the way, is a Microsoft partner with a long track of building carrier-email clients that hook into Hotmail and leverage Microsoft's MSP protocol. What's more, Seven serves as an intermediary between Microsoft and carriers, delivering Hotmail access to operator service portals. The unveiling of Hotmail for Android coincides with Microsoft's major (and arguably long-overdue) revamp of Hotmail.