"Suma Kabu" is a free Android application developed by Ｊトラストグローバル証券株式会社. It falls under the category of Business & Productivity, specifically in the Finance subcategory.

With "Suma Kabu," users can access a range of features and tools to assist them in managing their finances. The app offers a user-friendly interface that allows users to easily navigate through its various functions.

One of the key features of "Suma Kabu" is its ability to provide real-time stock market information. Users can stay updated on the latest stock prices, market trends, and other relevant financial data. The app also offers personalized watchlists, allowing users to track specific stocks and receive timely notifications.

Additionally, "Suma Kabu" provides users with the ability to trade stocks directly from their mobile devices. Users can place buy and sell orders, view their portfolio, and monitor their investments on the go.

Overall, "Suma Kabu" is a comprehensive business and productivity app for Android, offering users a range of features to manage their finances effectively.