I am trying to automate menu options selections from QGIS app but MenuSelect("Project -> open") is not working for the desktop app(QGIS) using. Getting the following error:
RuntimeError: There is no menu.
app = Application()
app.connect(path=r"C:/Program Files/QGIS 3.28.5/bin/qgis-ltr-bin.exe")
app.CriticaloverviewSampleFilesQGIS.draw_outline()
app.CriticaloverviewSampleFilesQGIS.menu_select("Edit -> Select")

Did you try run your app with uia ?
Application(backend="uia").connect(title_re=".*yourapp.*")