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Mightier Help Center
Multi Device Login
Can my child play the app on multiple devices?
Do I need wifi?
Heart Rate & Gizmo (aka Gauge)
How do the games respond to heart rate?
How do I update to Google Play?
How do I update the Mightier App?
My update won't install!
Heart Rate Monitor
Help! How do I use the heart rate monitor?
How to wear the Heart Rate Monitor
What do the flashing lights mean?
Why won't my heart rate monitor stay charged?
Why won't my battery charge?
Heart rate monitor issues?
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