Disney CEO Josh D’Amaro’s dream of building a streaming “super app” is coming into focus, but big questions remain about whether it can juice revenue and engagement.

“Disney+ will continue to evolve, bringing together games, merchandise, and other experiences, while offering increased personalization, exclusivity, and benefits for subscribers,” D’Amaro told employees in a post-earnings memo last week, first reported on by Business Insider.

The supercharged Disney+ would “deepen engagement, improve the value proposition, lower churn, and — most importantly — increase lifetime fan value,” D’Amaro said to staffers. The memo said these updates…