Flashify can easily brush your phone into boot images, recovery images and zip package also supports online backup feature, you need root privileges
In A3000-H ,It can also brush the boot and zip ！ But that needs TWRP recovery
I have tested All of the following firmware，And Google services are not included of them！
Firmware extract passwords：leask
Is it possible somehow to select some installed applications from google play, and save them to the memory card?
For example, when I am at home, with wify I download and install
"TeslaLED" - Torch Led Flashlight
"OsomAnd" - Topografic Map ...