Doesn't make any sense, as the source-code of the Metin2Client is not available publicly and I looked at their Play-Store articles, all 6 "Android x-Game Client" apps have been added yesterday or today.
Looks like account-stealers to me.
I sent this to google so they can test it as I don't have any Android device.
[Only registered and activated users can see links. Click Here To Register...]
Also you seem to be turkish
[Only registered and activated users can see links. Click Here To Register...]
And I googled for this "lonjutr.com" because the "app developers" have this as their company name and I found this:
[Only registered and activated users can see links. Click Here To Register...]
Which is a turkish private server. And the apps have been uploaded yesterday and you already found them? Suspicious.
#Closerequest as I am 99.99% sure that this is a turk guy trying to spread his malware!