What does the Rock Band Companion app do?

The Rock Band Companion app is currently used to:

  • Check Weekly Challenge Progress during and after each challenge
    • Spotlight Song scores
    • Group XP
    • Rivals Points
    • Tier placement
  • Manage Crews
    • Create, join, and leave Crews
    • Invite and kick people to and from Crews
    • Compare your Crew to other Crews
      • Rosters
      • Progress
    • Look at your Crew and your Personal Badges
    • Chat with your Crew about needs, bragging, insulting...