M090 - Tiện ích Mobifone is an Android application designed for Mobifone customers to create personalized mobile plans tailored to their usage needs. The app allows users to set their own pricing for various services, including SMS and call rates, with specific costs such as 15đ for internal SMS and 120đ per minute for internal calls. Additionally, it offers mobile data packages, providing flexibility in managing communication costs.

In addition to customizable plans, M090 features an Android widget that enables users to check their Mobifone account balance without launching the app. This functionality enhances user convenience, allowing quick access to account information. The application also includes options to purchase various promotional packages, making it a comprehensive tool for Mobifone users looking to optimize their mobile services.