MicroPythonOS lightweight OS for microcontroller targets applications with graphical user interfaces with a look similar to Android/iOS.
A step-by-step guide to installing the tools, creating an application, and getting up to speed with Angular components, ...
Please see https://mne.tools/mne-gui-addons/ for installation instructions, tutorials, and examples for a wide variety of topics, contributing guidelines, and an API ...
On first launch, you'll see a welcome screen where you can choose how intense you want your experience to be. Don't worry - you can always change settings later!