Amazon Appstore for Android offers downloads of Monopoly for Android
for 99 cents
. That's $4 under the lowest price we could find, although we saw it for $1 less last winter (but that didn't include the MP3 credit mentioned below).
If you haven't claimed it yet, you can receive a $1 Amazon MP3 Credit for free with this download. (It can only be claimed once per Amazon account until December 31.)