Drop the harware business, and focus on getting the complete device management software solutions that companies can't live without. (from cloud backup to security enhanced android forks)
Try to be the leader in your district (post tracts, talk to people, geotargeted ads), then be the leader in the others nearest districts, then you city, then...
The Consumerization of IT brings many opportunities for startups that have to seduce the consumers in order to get access the businesses. It's "Saas 2.0".
I already looked at the possibility of incorporating in Delaware/Nevada. It's quite easy, but opening a "real" bank account and registering with Stripe will require an american SSN.
And for the co-founder, I do not search a soulless paperwork filling monkey, but a real partner to take charge of all the important non-technicals tasks, like marketing to the US, sales driving, etc etc.