@mcfattius We haven't defined a timeline for compatibility on other iOS devices outside those listed below but we'll be sure to share updates. I'll bring your feedback to the team so they're aware as well. For now, here's the compatibility for the iOS app, as listed in iTunes:
Requires iOS 7.0 or later. Compatible with iPhone, iPad, and iPod touch. This app is optimized for iPhone 5, iPhone 6, and iPhone 6 Plus.