Moodle have recently announced the release of their latest Mobile version, 2.8, for Android and iOS.
The main highlight of this new release is it's SCORM player for playing SCORM 1.2 packages offline. When offline, the app will store all tracking information (e.g. grades) then once back online, it will synchronize with Moodle again.
The new release also now follows enrolment links in any resource in a course.
The Moodle mobile app is now available on Google Play and will also be available in the App store soon. You can find the app here: https://download.moodle.org/mobile.