A new sports betting app that connects friends via users' phone contacts and doesn't require bettors to pay up says it will launch by football. BetUS - We've got your game. Bonuses, fast payouts, sports betting odds & lines. NFL Football betting, horse race wagering, online casino bets and more. The best sports betting apps for Android, iPhone, iPad, Windows Phone & Blackberry Place mobile wagers on football, baseball, basketball, golf, boxing and other sports. Android is now the most popular mobile platform in the world. Check out the list of cool sports betting apps and download it for free on on these developments in the world of sports and make real bets!. Betting makes up about 30 to 40 percent of the global gambling market, which Most popular sports betting apps in the United Kingdom (UK) as of May. YouBetMe Social Betting. The first truly social gambling app was youbetme, created as a means of allowing wagers on anything in the world.