This app was mentioned in 2 comments, with an average of 1.00 upvote
Hi, just did a quick search in the play store and found this app.
https://play.google.com/store/apps/details?id=uk.ucsoftware.panicbuttonpro
There are panic button apps with a one button system that calls a set number. Some can be used by galaxy or apple watches too.
Alternativa: Red Panic Button https://play.google.com/store/apps/details?id=uk.ucsoftware.panicbuttonpro&hl=ro