This app was mentioned in 3 comments, with an average of 3.67 upvotes
If it's Advance Wars you're looking for, then maybe have a look at Front Wars or use emulators for playing Advance Wars on your phone / tablet.
Just a question but is this game any good? I was considering buying it.
https://play.google.com/store/apps/details?id=com.homemadegames.frontwars