A free app for Android, by BoomBit Games.

Do you dream of being the first billionaire in the world? Do you want to build your own factory and turn out the most amazing cars, trucks, and other vehicles? Idle Inventor – Factory Tycoon is the game for you!

You’ll run a factory that produces all sorts of vehicles, from the most amazing cars to trucks to the most awesome military vehicles. Your factories will be themed, so you’ll be able to produce vehicles that are related to the theme you choose. 

The more vehicles you produce, the more money you’ll make. And the more money you make, the more chances you’ll have to earn even more money. The idle game is all about earning money and becoming a billionaire.