FEATURES
This plugin allows you to specify regions with random encounters that are chosen from any previously defeated troop. A comment can be added to troops that you do not wish to appear in this list (such as bosses perhaps).
VERSION 1.0 – RPG Maker MV
Download Plugin file
Download Demo
Galv's RPG Maker Scripts & Plugins 
Can you insert “Plugin Command” function instead of PC key …
Because I want to use Picture Commont Event to support both mobile
I don’t know what you mean.