You can use it everywhere, and every device. We are working on it to make our project cross platform
for now completed only UI part of our project, that means project not completed yet, but some services already completed and ready to work, such as Notes and Tasks list
You can easily download and use it or you can use our app trought GitHub Pages https://mirjalolziyadullayev.github.io/RAD/logo, it is completely Open Source project.