BJJ Core Concepts app for Apple, Android and Kindle devices. More info here: http://www.grapplearts.com/bjjconcepts
This app is available in the following places…
iTunes app store for iPhone and iPad: https://itunes.apple.com/ca/app/bjj-concepts/id1106105151?mt=8
Google Play store for Android phones and tablets: https://play.google.com/store/apps/details?id=com.grapplearts.bjjformula1
Amazon App store for Kindle devices: https://www.amazon.com/Core-Concepts-BJJ-Brazilian-Conceptual/dp/B01F6TU5WM
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