I know its Rabobank based but it works well for me to keep updated on the TDF (and all other big races).
"STAY UPDATED EVERYWHERE, AT ANY TIME ON THE RABO CYCLING TEAM ON YOUR ANDROID PHONE DURING ALL BIG EVENTS
Rabo Cycling keeps you up to date on all international events in which the Rabo ProTeam, the Rabo Continental Team and/or the Rabo Offroad Team are participating.
With Rabo Cycling you will have access to:
* The most recent standings
* All tweets and pictures by the Rabo cyclists
* The results of finished courses
* The schedule of upcoming courses and the cyclists and team which are participating
* Maps of stages in upcoming courses"