I know very little about sports betting, but I played around with this app and its so easy to understand how you can bet to win or bet the spread. It starts you off with $5 to get started and it covers all major sports. It tracks your bets and gives you odds and helps you make an informed choice.
diamondsux about Sportsbook Betting: American Football (NFL / NCAAF), Basketball (NBA / NCAAB), Baseball (MLB) and Hockey (NHL) Bets