The sequence tab in Ekos allows saving and loading of a predefined list of sequences. This will store any set values, custom parameters and scripts.
These sequences however do not appear to be readable from the mobile Apps. Instead each app will store a set of presets to run, which define a similar set of options to the more feature rich sequences in the actual ekos application.
It would be nice if saved sequences in the Ekos main application could be loadable as presets in the Apps. Maybe they are read only, except for options exposed to the App, but this would allow you to define a set of sequences while not imaging using the full VNC connection, and then run only them via the app.