You can get Strelok Pro on your new phone using Imazing software. Free trial will do it for you. Link: https://imazing.com/
You will need and Iphone that has Strelok installed and working, or a friend who has it. (One grabbed file will work on all Iphones) The video below tells how to.
I was using this software for getting my working Strelok Pro from my old phone to my new one. Enjoy!