horde What do you guys think of something like https://github.com/MrCyjaneK/libstealth_calculator Enter a specific PIN to launch a hidden app through calculator. This library is used in ANONERO wallet, see it in action: https://twitter.com/anoneroio/status/1783913550991266030 https://twitter.com/anoneroio/status/1783913554992681184 https://twitter.com/anoneroio/status/1783913558985556349 Then they gave a disclaimer at the end of the thread DISCLAIMER: This feature is NOT meant to protect from forensic analysis of a device. Its meant to serve as an added extra layer of protection. Use with discretion.
jacobb F-droid has such a build in function which I use on my daughters call amd text only phone. Until she discoveres it, she will not be able to install other apps.