you can use pull_apk_from_device.py to pull all apk (s) of the given package name. You can use part of the package $mkdir ./instagram_apk_folder && python3 pull_apk_from_device.py ./instagram_apk_folder instag
you can use install_split_apk.py to install splitted apk (s) to devices. Put the apks in one folder and use the script.
$python3 install_split_apk.py instagram_apk_folder