A welcome bonus is a bonus that a casino offers its players once they join their site. It's a way to appreciate new customers and encourage them to play. However, any winnings from the welcome bonus may have to be used to make other bets before any withdrawals can be made.
South Sudan is among the youngest countries in the world, having seceded from Sudan only in 2011. Currently gambling is not regulated due to the serious political instability, and it is not clear whether mobile casinos are legal. That being said, there is little to no access to internet, which impacts mobile gambling.