oooo... almost forgot, for file managers, look into MiX by @HootanParsa...snip...
I have to resort to using Solid Explorer or other third party file managers for me to be able to select Package Manager as the execution app.
...snip...
[APP][2.2+] MiXplorer v6.x Released (fully-featured file manager)
[APP][2.2+] MiXplorer (full-featured file manager) Hello everyone! My name is Hootan. I work on XDA in my free time and this file explorer is my favorite Android project! MiXplorer mix of explorers (SD, FTP, Lan, Cloud and other storage...
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