Need Help: HowTo start to programm a first app: "Pause" (break or "face down") for Xperia 10 III

Ok, that’s my output now:

[defaultuser@Xperia10III ~]$ harbour-situations2application
[D] unknown:0 - Using Wayland-EGL
library “libGLESv2_adreno.so” not found
library “eglSubDriverAndroid.so” not found
library “vendor.qti.qspmhal@1.0.so” not found
QInotifyFileSystemWatcherEngine::addPaths: inotify_add_watch failed: Datei oder Verzeichnis nicht gefunden
Created symlink /home/defaultuser/.config/systemd/user/user-session.target.wants/harbour-situations2application.service → /usr/lib/systemd/user/harbour-situations2application.service.
[W] unknown:8 - qrc:/qml/application/Background.qml:8:37: Unable to assign [undefined] to bool