Atari's RollerCoaster Tycoon Touch rolls its way into Android and iOS devices1
Luckily, you're not forced into buying anything, so you can peacefully build your theme park kingdom. To everyone's surprise, Atari added a new gameplay mechanic that will allow you to get coasters, rides, decorations and more by opening card packs.
Players obtained these card packs by completing various missions or leveling up. The more direct approach would be to simply purchase them from the Card Shop, but you will have to pay real money.
The game comes with the omnipresent social aspect, so you can share your park with friends and play socially with other during special live event and coaster contests. Obviously, it will require you to log in with your Facebook account.
If you haven't played any RollerCoaster games until now, you'll be pleased to know that RollerCoaster Tycoon Touch features a consistent tutorial that will get you through all the basics.