Ip (Influence Points)
You will receive an certain amount of influence points after you finish a game and you can you the Ip that you have collected to buy new champions, runes and additional rune page(Other Section in shop)
If you are still under level 30, you will also receive experience. For both Ip and Experience, if you win you will receive more points.
First Win Bonus
Every 22 hours there will be a First Win Bonus which give 150 Ip extra to your account.
Unlike Ip, you only can get Rp by buying it via shop. Rp can be used to buy champions or skins(which make your champion looks better than the opponents). You can buy via shop by credit card, sms or paypal. If you don’t have credit card, you can go to you local shop(click here to check League of Legends announcement on availability)