the author of this app says:
Control your Minecraft multiplayer server powered by McMyAdmin via iPhone and iPod touch. Live tracks the server status, start, stop and reboot the server, interact with in-game chat or create backups from everywhere you want.
What's New in version 1.1
- Bukkit plugin management added
- Configure server settings via app
- Defining names for backups
- Added search support
- Improvements to user interface
- Requires iOS 4.0 or later.