"Having the arrangement" is sometheing completely new, never seen in any DAW setting before. In fact you probably have it in your copy buffer right now: Try and open a text editor and press Ctrl/Cmd + V (Paste) and see what we have!
ArrangerKing FLOWERS is an online editor in which you can paste your arrangment (the one in your buffer right now), and then this online editor (the website) will give you some tools to essentially create chord patterns.
These can then be downloaded and placed in your project.
FLOWERS can be opened on your phone while you are on the move, then drag drop the chords into your DAW when at home again.