App4World is a mobile app designed for Android devices that allows you to access your trading account from anywhere in the world. It is a free app developed by Aipirium and is available in the Business & Productivity category under the Finance subcategory.

The app enables you to execute buy, sell, and pending orders directly from your mobile device. It is a convenient way to keep track of your trades and stay on top of the markets. However, it is important to note that App4World is not a broker. To trade using real money, you need to open a real trading account with a financial company. Additionally, it is important to remember that most retail investor accounts lose money when trading financial products, so it's important to trade responsibly.