Microsoft's visions for Windows 10 is to have it run everywhere, just in different forms depending on the device. However, that vision doesn't included the Surface RT, Microsoft's much criticized and quickly abandoned tablet. Windows 10, at least in tablet form, just isn't cut out to run on an ARM device like the Surface RT. But if not Windows 10, then maybe it could run Windows 10 Mobile. That is the theory that XDA member "black_blob" is putting to the test, to give the Surface RT, and other Windows RT devices like it, a second lease on life.