@echo off
set URL=https://tvplayer.karaokeroom.ru/
where msedge >nul 2>&1 && start "" msedge --app=%URL% --window-size=420,860 && exit /b 0
where chrome >nul 2>&1 && start "" chrome --app=%URL% --window-size=420,860 && exit /b 0
start "" %URL%