[Q] Samsung Stock Apps i.e Allshare, Group cast

This is my first message on here, I took the plunge Tuesday and rooted my Samsung s3 with CyanogenMod 10.1 and very happy with it but must admit I was nervous in do so but it was easier than I thought, well my question is on the Samsung stock JB 4.1.2 apps I had GroupCast, allshare and paper artist etc, I was wondering if there is anyway of getting them onto my rooted phone now, I have search on the net and cannot find anything, well tell a lie I did find one person who had extracted the apk's and all you had to do was download them and change the permissions which I done but did not work now he thinks it might because of 4.2.2 on my phone now. Any help would be appreciated

Thanks
Jeff