I agree, it would be nice, but I haven’t seen anyone code an app that can be installed on the stick for a single click display of all installed apps. It sounds like a good idea for sure.

Have a look at the Apps app here. It may be close to what you want. It will be the 3rd one down from the top.

The AFTV Loader shortcut “Apps” assigned to button 1 on this $9 fire remote bypasses home screen and takes you straight into a grid of all your apps:Amazon.com: Replacement Voice Remote Control fit for Fire Smart TVs Stick/TVs Cube/Lite/4K/4K Max and fit for Insignia/Toshiba/Pioneer Smart TVs : Electronics