Hotmail App for Android

Microsoft has released an official Hotmail application into the Android Market.

From the android market page you can read:
  Key features include:
- With push email get messages on your phone without delay
- Synced calendar and contacts
- View your folders in Hotmail, including sub folders
- Send pictures from your phone using Hotmail
- Supports multiple Hotmail accounts
- Send, receive and view attachments



Give it a try.