$ cat ~/.local/share/applications/emacsclient.desktop
#!/usr/bin/env xdg-open

[Desktop Entry]
Version=1.0
Name=GNU Emacs 24
GenericName=Text Editor
Comment=View and edit files
MimeType=text/english;text/plain;text/x-makefile;text/x-c++hdr;text/x-c++src;text/x-chdr;text/x-csrc;text/x-java;text/x-moc;text/x-pascal;text/x-tcl;text/x-tex;application/x-shellscript;text/x-c;text/x-c++;
Exec=/usr/bin/emacsclient -c -a "" %F
Icon=/usr/share/icons/hicolor/scalable/apps/emacs-snapshot.svg
Type=Application
Terminal=false
Categories=Utility;Development;TextEditor;
StartupWMClass=Emacs
Name[en_US]=GNU Emacs 24

Exec=/usr/bin/emacsclient -c -a "" %F

Exec=/usr/bin/emacsclient --create-frame --alternate-editor "" %F

-c, --create-frame      Create a new frame instead of trying to
                        use the current Emacs frame
-a EDITOR, --alternate-editor=EDITOR
                        Editor to fallback to if the server is not running
                        If EDITOR is the empty string, start Emacs in daemon
                        mode and try connecting again

[Desktop Entry]
Version=1.0
Name=GNU Emacs 25 (GUI)
GenericName=Text Editor
Comment=GNU Emacs is an extensible, customizable text editor - and more
MimeType=text/english;text/plain;text/x-makefile;text/x-c++hdr;text/x-c++src;text/x-chdr;text/x-csrc;text/x-java;text/x-moc;text/x-pascal;text/x-tcl;text/x-tex;application/x-shellscript;text/x-c;text/x-c++;
TryExec=/usr/bin/emacs25
Exec=/usr/bin/emacs25 %F
Icon=emacs25
Type=Application
Terminal=false
Categories=Utility;Development;TextEditor;
StartupWMClass=Emacs
Keywords=Text;Editor;