moto " Maybe devil is not so black " aprox google translation from romanian The Idea n900 at least can / must perform usb otg. I initiated otg SRP by software as peripherial. With help of an aditional hardware maybe is possible to switch host mode using HNP. last days I digging on datasheets and try to imagine how to isolate DP / DN signaling from usb stick, hub during HNP & SRP without compromise data lines. I will dig my old colection of IC and will try to make a functional device keep fingers crossed