well there is lots of discussion going on (also with Strava) as more tools are impacted. Implementing the new authentication stuff is virtually impossible. Thinking about rolling back the old heatmap functionality if the situation doesn't change.
Viewing post in ArcBruTile 1.0.2 release comments
Look at this: http://help.locusmap.eu/topic/strava-heatmap-requires-now-authentification-at-hi...
Perhaps you can get an idea? I have tried it and it works in several apps on my mobile phone.