This app is launcher shortcut to open Samsung Weather. It doesn't do anything by itself. App will only work on a stock Samsung Rom where Samsung Weather is installed. Supported Marshmallow devices: Galaxy S5. Galaxy TAB S. Galaxy A3 Galaxy S6. Galaxy S6 Edge. Galaxy S6 Edge. Galaxy Note 5. Galaxy S7. Galaxy S7 Edge. Galaxy Note 7. Supported Nougat devices: Galaxy S7.