docs: more simulator docs

docs/badge/application-programming.rst

@@ -470,11 +470,11 @@ You can then run the simulator:
 
 ::
 
-    $ python3 sim/run.py
+    $ venv/bin/python sim/run.py
 
 Grey areas near the petals and buttons can be pressed.
 
 The simulators apps live in `python_payload/apps` copy you app folder in there
 and it will appear in the simulators menu system.
 
-*TODO: make simulator directly run a bundle on startup when requested*
\ No newline at end of file
+*TODO: make simulator directly run a bundle on startup when requested*