This is a refund that players get after depositing in their account. While their betting account does not grow in size, the cash back bonus offers the bettor's bank account some consolation. The benefit of this bonus is that it is given immediately after the deposit without any conditions attached.
Gibraltar is something of a curiosity in Europe. Geographically a part of Spain, it is actually a British territory. Strategically important for the UK, it is also a popular tourist destination. Gambling is legal and popular, and mobile casinos bring a completely new level of convenience for locals looking for opportunities to play.