This is the 10776th most frequent Russian word.
встроенный
Built-in.
Here, 'встроенную' is used as an adjective that describes the type of the freezer compartment integrated inside the refrigerator.
Этот холодильник имеет встроенную морозильную камеру.
This refrigerator has a built-in freezer compartment.
The word 'встроенным' aligns with the grammar and syntax, describing a garage that is part of the house structure.
На этой улице стоит дом с встроенным гаражом.
On this street stands a house with a built-in garage.
'встроенный' refers to the calendar application that is pre-installed into the phone's system.