Build simple android/iOS game

General information for the app: simple game based on math operators Kind of development: New app from scratch Description of requirements/features: General information for the app: simple android game based on Math Operators Kind of development: New app from scratch Description of requirements/features: - The game's idea is very similar to a game called "freaking math" but with some edits will discuss after choosing the right developer, url of the similar game: https://play.google.com/store/apps/details?id=com.bangdev.freakingmath - i want the game to be built from scratch till the end this includes: developing, designs, putting Ads, and each player have their own account to login and put their name & email. Extra notes: Extra notes: