F668 is a free Android application developed by CÔNG TY TNHH DỊCH VỤ TÀI CHÍNH WIN WIN. It is designed to provide quick and easy financial solutions to customers in Vietnam. The app offers loans from 2,000,000-10,000,000 VND with a term ofdays and an interest rate of 1.6% per month (highest 19.2% per year).

The application process is simple and hassle-free, with no need for face-to-face meetings. Customers can apply for loans easily by providing minimal information. The app is ideal for those in urgent need of funds, who may not have access to traditional financing options. However, the app is only available to customers over 18 years old.