Please help me with instal xposed framework on core prime g361f

Hello. Im Peter please good people help me with install Xposed Framework on me Samsung Galaxy Core Prime G361F device.
I've arleady rooted phone, just dont want to breake nothing in my system. I've been looking for it in web but nothing was make me confident with install xposed on my phone. Can anybody show me good page with installation progress or expain me how to do it step by step. Thanks for read.

How to instal custom kernel on RR 5.7.0 ??

do i need to flash ED300's CM 12.1 kernel modules first ??

Can't instal some app from Google Play

Maybe someone can help me.
I can't instal app Dormi - Baby Monitor (very important app during holiday).
It is compatible with Mate 8. App is start downloading and few second later Google Play is close.
The same situation is with Bladebound: Hack'n'Slash Rpg, but Dormi is very important to me.
The same situation in B182 and B353 (stock).
My phone AL10 without root.

Please halep me.
Have a nice day!

N910f instal custom rom - warranty

I have a problem. My n910f on the factory warranty. I want to upload a custom rom. But what about the warranty? Did I lose it? After installing the root, you can return to sotck version? Please help.