Yeah, basically you need to fool the market into thinking you have a certified device. Not an easy task from what I understand. If you have a rooted Android phone you can download te app there, then use Titainium Backup to get the apk off the phone and side load it on you Archos. At least tha is what I do.
Network: Family Mobile (T-Mobile)
Current Devices:Galaxy Note 8.0 , Galaxy Nexus GSM/HSPA+, Kindle Touch
Other/Family Devices: Samsung Galaxy S II, iPhone 3GS, iPad 2
Previous Phones: Evo 3D, Epic 4G, , Evo 4G, Samsung Vibrant, Samsung Intercept, T-Mo G1
Previous Tablets:Galaxy Note 10.1, Nexus 7, Galaxy Tab 8.9, Kindle Fire, Dell Streak 7, Asus Transformer, iPad, Archos 101, Nook Color and aPad