Listing Summary Number of Apps in this Listing: 2 ?
Last 3 months3,025
Last 30 days1,266
Last 3 months$3
Last 30 days$1
Music Game and Music Game Pro, have been on the app store for several years now and get consistently good daily downloads. The yearly revenue is approximately $1,000 per year which includes iAd, RevMob and paid app sales.
The codebase is very simple and would be easy to maintain.
I have many successful apps on the App Store, so there would be the possibility of purchasing more in future if you're happy with this one.