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The explanation on the Play Store didn't make sense to me, only by watching the video could I understand what it did.

Actually, a coworker thought it worked the other way round :) (build a map by walking around).

I don't have a floor plan of anywhere, they're not required here in Uruguay.

Btw, video: http://www.youtube.com/watch?v=B_GdXp_Swjs

A lot of people just scribble down a drawing on paper, and then use the "I Want To Take A Picture With My Camera" option. The floorplan is just a reference point, so you can makeup whatever floorplan makes sense for you. For example: https://lh4.ggpht.com/Y1z9Qt5EggwNdg0Caua9dJGWV8dZmnYhioten1...

Thanks :) , I can do that :) .

Will try it out at home. Looks cool, and sounds like it could lead to interesting use cases.

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