Wallapop is a free mobile virtual flea market for Android devices (2. 3. 3+) that allows you to buy and sell second hand products. Walla! MAKE MONEY FROM YOUR OLD STUFF (How to sell items). Selling on Wallapop is easy, fast and free. Sell anything you want! Just take a picture and post it on Wallapop – and voila. It's instantly available to buyers in your local area.
