From the product page:
Powered by Linux at its core, our device transforms the mobile experience into something far beyond ordinary smartphones. It combines the stability and openness of a full desktop-class operating system with the convenience of a pocket-sized device. This means it is not limited to mobile apps alone. Native Linux applications and Android apps run side by side, delivering true versatility and freedom of choice
I suspect it uses Waydroid so there may be issues with Android apps that rely on Google Play services or even worse, depend on the Play Integrity API.
Heh, I used to run Whatapp in an Android VM for use in a Matrix bridge. I got my phone number banned in about a week or so. So I guess it’s really important to use an actual phone.
That was years ago and I used that to get my family to install Element, so it still ended well.