The TVG Android app comes from America's largest horse wagering company. This is one of few fully legal horse race wagering apps thats open to most states. MAINTENANCE. We are currently updating the TVG App Please check back shortly. BET WITH TVG. America's Largest Online Wagering Company. Bet on over tracks & find info on odds and handicapping. TVG is the #1 horse betting website and horse racing television network in the USA.