A fresh crop of pot entrepreneurs wants to provide a new way to get a buzz from your smartphone: marijuana delivered on demand.

Brand-new companies including Eaze and Canary aim to make pot delivery as easy as the tap of a few buttons. Upload ID proving you’re an eligible medical marijuana patient, select the strain of your choice and wait for the goods to arrive at your door.

The potential business opportunity is massive: the on-demand craze popularized by Uber and Netflix, combined with a budding industry built on more states legalizing marijuana use.

But these startups must wade through a complex patchwork of laws that vary by state and even by city.

“All of these folks are operating in a gray area, going to bed each night knowing that their business model might collapse under the politics that gird all of this,” Allen St. Pierre, the executive director of marijuana legalization lobbying group NORML, told NBC News. “‘Is this commerce legal?’ is a hard place to get your business started.”

Read more at NBC News: http://www.nbcnews.com/storyline/legal-pot/pot-delivery-apps-making-green-means-wading-legal-gray-area-n179921