Make app less visible.
If it is possible to have an option, or another version of briar, that would be less visible in androd launcher. So, in case, someone get acces to your phone, he will not find there secured messenger app, and will not insult you to login. For example: Traccar android client app '''
In addition to standard version available on the Google Play, Traccar Client for Android comes in a special hidden version. It includes modifications to make the app less visible to the phone's owner. Name is changed from "Traccar Client" to "Device Settings". Default Android settings icon is used as an app icon. After first start, the app removes itself from the launcher on older versions of Android. To open it again dial 8722227 (TRACCAR).'''