You need to download the app from a legit outside source, and there is a massive reason behind this. You see, based on the above-listed grounds, this APK is not available on official app stores. Hence one needs to get it installed from an outside source.
Now, these sources are not regulated by official authorities and can send unknown and unwanted files to your device. These files, at times, can contain harmful viruses as well that can even cost you to lose all of your data or even get it leaked. The Same is why you should and must choose the legit option for download.
Hence make sure to read the customer review of the site you are willing to choose. To do that, access the site’s homepage and scroll down to the very bottom. Here you will find the customer review section. Make sure to read every one of them.
Or you can also consider checking the service’s ranking on the google rating page.