You do not need this app unless you are using a China phone, without 'Google Settings' menu. Please kindly refer to the screenshots. No root required. This app does not help you to install Google Apps, you will need to install it yourself, the simplest way is to use Open GApps update file with third-party recovery. You may find Open GApps @.
Launch Google Settings is totally safe for downloading. Hzj_jie is the creator of this application which is listed among the Tools category. The average score for the app is 4.8 on Google Play.