#Get Lawnchair
wget --user-agent "linux" -c "https://d.apkpure.com/b/APK/ch.deletescape.lawnchair.plah?version=latest" -O ch.deletescape.lawnchair.plah.apk

#install LawnChair (with Permissions)
adb install -g ch.deletescape.lawnchair.plah.apk

#set lawnchair as default launcher
adb shell cmd package set-home-activity ch.deletescape.lawnchair.plah

#switch to new home screen
adb shell am start -a android.intent.action.MAIN -c android.intent.category.HOME