hi

Recently i bought 2 ipods touch 4 for the kids jailbroken filled with lots of apps and games
version 4.3.5
the thing is now i want to download some games, but i have no installous in the ipods and there is no cydia too,

i dont know anything about 3.3.5 jailbreak so is it jailbroken or what?? and how can i get installuos if i dont have cydia ???

if any1 could help thx