An anonymous reader writes: Redditor/u/pixelbat gets sluethy. FVXResearch.com has denied on a twitter post any affiliation with a govermental agency. Google Image Searching the team members from the website reveals stock photos used in perhaps many other front companies. Link to Original Source
Depends on your phone as much too, the frequencies supported if you want 3g+, etc. On a Nexus 5 for example stock Android, cyanogen, & slimkat are fairly easy and safe to load whereas Sailfish, Firefox not so much.