GEMO is a free Android app developed by S.A.S.Co.Ltd. It falls under the category of Utilities & Tools and is specifically designed to support S&AS devices. The app allows easy access to SD card data and information using OTG as mass storage.

The app's interface is simple and easy to navigate. It efficiently connects with the device's SD card, allowing for quick and easy access to all the data stored on it. The app also provides complete information about the SD card, including its capacity, available space, and file system.

Overall, GEMO is a useful app for S&AS device users who need to access their SD card data frequently. Its user-friendly interface and efficient performance make it a must-have tool for anyone looking to manage their SD card data on-the-go.