What are the current platforms?

Currently TeacherKit app is available on these platforms: * iOS (iPad, iPhone and iPod Touch): https://goo.gl/XEP9xe * Android (Phones only): https://goo.gl/4eRIrB * Windows 8.1 (Tablets and PCs only): https://goo.gl/vh5SnE We are considering to build it on other platforms in our future plans.