This app was mentioned in 1 comment, with an average of 2.00 upvotes
Selection screen right before. You line up your guys and send them out to fight the other guys' troops in formations (kind of like a Total War). But there's no control after they're sent out.
Here are some screenshots: https://play.google.com/store/apps/details?id=com.slitherine.legion&hl=en