When doing a campaign (Free App Of The Day) for Turbo Grannies on iOS a few years ago, the game reached the no1 game spot in 36 countries. USA was one of these countries and the game generated over 400.000 daily downloads for a few days. Turbo Grannies and Turbo Grannies Free combined for iOS and Android has well above 10 million downloads.
For the right buyer there is a great opportunity to build a TG franchise with many more games. Imperial Game Studio could possibly support with some art help, to get the right touch.
Contact firstname.lastname@example.org if you want to discuss further.