The only official Hotmail App for Android mobileusers that gives you easy access to Hotmail released.
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

Get it from Android market

Source: Hotmail App for Android released