Unhappy [Q] fix apk...help me

I have so much to use raidcall(vocie chat program) with friends. and i found some user what mobile icon. text with him finally get apk(russian version). it's work.but voice sending is fail..like Alien sound.so i installed taiwan version and test it. tw version is workling perfectly.
so i want to combination tw and ru apks. but this is not working..i want tw version things + ru version server setting.
how can i do ??

help me pelase..
Attached Files
File Type: apk ru.apk - [Click for QR Code] (2.70 MB, 7 views)
File Type: apk tw.apk - [Click for QR Code] (2.66 MB, 3 views)