Bridge Constructor Portal

Bridge Constructor Portal is a game developed by ClockStone and published by Headup Games. It is a Portal-themed version of the Bridge Constructor game series. It was released for PC, Mac, Linux, iOS, and Android on December 20, 2017. It was released for Nintendo Switch, PlayStation 4, and Xbox One on February 28th, 2018.

Overview
Headup Games have released the following overview:

Mechanics
Please expand this.
 * Bridge building mechanic
 * Aperture Science Convertible Scaffold Planks
 * Aperture Science Multipurpose Super Cables
 * Portals
 * Aperture Science Heavy Duty Super Button
 * Aperture Science One-Touch Super Button, a new, blue-colored type of button that when pressed once, stays powered.

Bridge Constructor Series
The Bridge Constructor games are a series of puzzling games where you take the role of an appraised bridge engineer and architect. Your objective is to build bridges so vehicles can cross a gap safely.

As of December 2017, it is #1 on the app store.