Decker is mainly intended for desktop computers. Since Decker is distributed "unsigned" outside an "App store", it may be necessary to make an exception to security settings to run the native application.
- MacOS: https://support.apple.com/guide/mac-help/open-a-mac-app-from-an-unidentified-dev...
- Windows 11: https://answers.microsoft.com/en-us/windows/forum/all/cant-install-an-app-on-win...
I have plans to make improvements in the future which will provide soft-keyboard support for touch devices, but at present a physical keyboard is necessary for some functionality. Sorry for the inconvenience.