Elevator Repair Guide

Elevator Repair Guide is an education app by Kimdongchul with 10,000+ downloads (about 41K estimated). +139 installs in the last 7 days. Released Apr 16, 2015. Install growth, rank history, SDKs and ad networks.

From the store listing: “Elevator Error Code 1.Otis 2.Hyundai 3.Thyssenkrupp This is a convenient application when you can not remember frequently used commands and memories. This app is useful when you do not remember frequently used commands and memories. It is convenient when you go out without a manual! It is convenient when you go out…”