This app was mentioned in 2 comments, with an average of 1.50 upvotes
That I don't know I'm afraid; I dare say it'll be worth digging about for an Android clone though.
EDIT: A quick Google suggests this or this, although obviously I can't vouch for either.
I too have no idea how to play but someone has made caravan card game app
https://play.google.com/store/apps/details?id=com.orculus.caravan