Get Money:
Rewards given daily for playing the game. The value starts with $3,000, and gradually increased by $500 for every succeeding day that you play game. Breaking the succession will bring you back to $3,000.
(image below: aside from daily rewards, you also get random game install offers as such)
Play:
Brings you to a difficulty mode menu where you get to choose from Regular play, Nightmare mode, and various handicaps to give you the varying challenges along the way.
Upgrades:
Brings you to menu where you get to choose between Regular and Gold upgrades. Regular upgrade takes you to a skill tree like menu where you will have to purchase different infantry units, upgrade them (or their performance), and purchase passive boosts in the game (slots, ranks, additional resources, range, and health).
Gold Upgrades on the other hand gets you to more expensive yet more exciting additions in the game like Special Commanders that performs unique functions to give you tremendous boosts in your game, Purchase time speed increase, as well as special characters, defense units, and bits of boosts on your units’ health, damage, fire rate, even with your starting cash, and end bonuses.
(images below: upgrades menu)
Cloud Storage:
Lets you create an account to save your game online – which may be retrieved when trying to play with another/new device with your designated username and password.
Exit:
Closes the game.