Cool [Q] What phone do i have??

Hi People....
Can someone help me find a ROM for this phone.
So i can get ridd of the chinese junk software.

It's a S4 i9500 Clone

some extra info on the phone.

Hardware : MT6577 (SMDK4x12 is Fake!)
Model : GT-I9500
Build number : CNANZHI
Build date UTC : 20130716-115439
Android v : 4.2.2
Baseband v: MAUI.11AMD.W12.22.SP.V19, 2013/06/19 02:10
Kernel v : 3.4.0 (rooter@root) (gcc version 4.6.x-google 20120106 (prerelease) (GCC) ) #1 SMP Tue Jul 16 19:53:47 CST 2013
Uboot build v : MAIN2.2.ubt.3777
LCD Driver IC : 1-otm9608a_qhd_dsi

Need to find a Good rom and kernel to get ridd off the chinese junk software
and to be able to download whatsapp and facebook again

When i try to install Whatsapp/facebook
i get a error ( package file is invalid )

Please Some help with this
Sorry for the bad english writing

Greetings from The Netherlands