The plan is to support Videos as a type of content, along with articles and banners. Until videos are supported as a content type, one option is to create either an HTML article or InDesign-based article that opens and plays the video. Another option is to add a URL action to a banner that displays your videos in a slide-up browser. Users would then tap to watch the video and click Done to return to the browse page.

Yes, that's correct. At this time, we support only single-orientation apps—portrait only or landscape only. At some point in the near future, we're going to support both portrait and landscape articles within the app. But there are no plans to support dual-orientation articles in which you rotate the device to see a different layout of the same article.

Renditions currently are not supported. In other words, you cannot create an article and upload multiple article files, such as one for phones and one for tablets. Instead, you can choose an option to create different top-level content for phones and tablets. That way, if you use alternate layouts in InDesign to create multiple sizes of the same layout (such as 640x1136 for phones and 768x1024 for tablets), your "pixel-perfect" InDesign-based articles will have minimal letterboxing. The drawback...