This is actually not Ads.
It’s a demo from Qt, the “Qt Cinematic Experience”.
The Linux running on your device is a “headless” Linux.
Meaning that there is no interface with folders and buttons like a Computer Desktop.
The Desktop environment creates an overhead and is intended for general-purpose PCs.
On the other hand, embedded devices are usually optimized for a specific use case.
You can check this other thread with a similar discussion.
