if i will jailbreak my iPhone 5s?

hey vergers,

have a factory unlocked iPhone.i konw i can not jailbreak ios 7.1.1..but

pod2g says he’s working on iOS 7.1/7.1.1 Jailbreak.

i do not have a knowledge about jailbreak...if i will jailbreak my factory unlocked iPhone 5s! IS IT A GOOD IDEA? or a BAD IDEA?

also i have some questions?

so many amazing games and apps releasing on app store,if i will jailbreak my device,could i download apps,games from app store like cydia? also from iTunes?