Upon entering the game you can find your Currency bar located on the Top Ribbon of your Main Game Screen.
By tapping on the Lights Tower (Or the Generator) you access your Profit-Multiplier Boosters inventory
You can access your Products by tapping on the Products Button on the Ribbon located on the bottom of your Main Game screen.
In the Products screen you can see the Chapter's Products but by tapping on the All Products tab:
you can see all your Products.
To access your unlocked Characters, Managers, and Legendary cards inventory tap on the El Patron button in the Bottom Menu Bar, then tap on the relevant tab.
You have quick access to The Shop  and your Characters will be listed for you . From here you can access your Managers by tapping on the Managers Tab  but also your Legendary Cards  by tapping on the respective tab.
When in the Managers screen you are able to filter your Managers by where they work (Stockroom, Market, Section) or you can have them all listed.
In the Legendary Cards you will find your Vehicles if you have Unlocked them or how far your progress is towards Unlocking one.