The seat is removed by pressing a large, square button on each side of the stroller. (strollerdiva.com)
In addition to that, it's only recommended if your phone has the newer - style triangle - circle - square buttons as shown below. (android.gadgethacks.com)
The stripped down interface, large square buttons, and loading bar (yes, there's a loading bar) feel like something from the late 2000s. (howtogeek.com)