As long it's an HTML5 app. It doesn't matter where it's hosted or which technology it's made with.
The Featurehub shell application works like the homescreen on smartphones.
Micro apps run in the cloud and don't take any additional space on the device.
Micro apps can be bound to certain locations so users can access them via the map.
Featurehub is based on web technologies and available on all modern devices.