To start a new game, open the app and select 'Play'. You can choose to play with friends or solo against AI. Follow the prompts to set up the game, including selecting the game rules and characters.

If you land on a property you can't afford, you can choose to either auction it or let it go. During an auction, other players can bid for the property, and you can decide your maximum bid before the auction starts.

To trade properties, select the player you want to trade with, then choose the properties you want to offer and what you want in return. Make sure both players agree before finalizing the trade.

To build houses or hotels, you must own all properties in a color set. Each house costs a specific amount depending on the property. You can build houses up to four for each property before you can build a hotel, which costs additional money.

Managing your money is crucial in MONOPOLY. Keep track of your cash by frequently checking the balance. Avoid unnecessary spending, make strategic trades, and utilize mortgages wisely to ensure you have funds for essential purchases.