The GoToMeeting Android app is not the most attractive app out there, but it gets the job done most of the time. It hasn’t been updated with new UI features for a long time, and tends to get buggy with new Android releases (see: current issues with Marshmallow Bluetooth). Citrix is working on a revamp, though, and you can try it right now with the GoToMeeting v2.0 beta. Never mind that the current app is already on v5.3.
Citrix Releases New GoToMeeting Beta App, Goes Back In Time To Call it v2.0 was written by the awesome team at Android Police.
Source: Android police
Read From Source: Citrix Releases New GoToMeeting Beta App, Goes Back In Time To Call it v2.0