Joblack, Xtech : thank you very much for the quick response.
Xtech > then i gonna focus on upgrade my device to the 4.4 android version.
Joblack > Market Helper involve rooting my device, it's take us back to square one (the question of Shards_x)
I'll keep you posted of my progress.
Regards
Editing...
Upgrade also involve rooting...
Maybe we have to wait the upgrade...