Reference table
| Variant axis | Example | API field |
|---|---|---|
| Headline | Track revenue daily vs Numbers you can act on | slides[].headline |
| Proof | Stars vs quote card | slides[].overlays |
| Background | Paper vs graphite | preset/theme |
Repeatable experiment sets
The fastest ASO test is not redesigning every screenshot. It is rerendering the same capture set with controlled copy and layout changes.