The Windows 10 Store has several quality apps for customizing your Microsoft Band. The Band Utility app is one such offering that has the ability to customize your Band's wallpaper, theme colors and add cards to your Band.
There is room for improvement with Band Utility, but overall the app is a nice foundation with potential. It's not at the level of, say, Pimp Your Band or Fanband but it could come close with a few more features.
Full story from the WindowsCentral blog...