Hello there is my batch file to update GA, See android devices et run a specific account.
Maybe you know how setup GA and MEMU with 2 accounts!

@echo off
:menu
echo.
echo.
echo GramAddict :
echo ------------
echo s. See Android devices connected (ADB Devices)
echo u. Update GramAddict
echo.
echo 1. xxx1
echo 2. xxx2
echo.
set /p pick="Enter your choice : "

if "%pick%"=="s" (
adb devices
pause
goto menu

) else if "%pick%"=="u" (
pip install GramAddict -U
pause
goto menu

) else if "%pick%"=="1" (
echo Initialize the UIAutomator2 ... ^
& python -m uiautomator2 init ^
& echo. ^
& echo Run GramAddict ... ^
& gramaddict run --config accounts/xxx1/config.yml

) else (
echo Invalid choice.
pause
exit /b
)