We were about to begin this, then I thought probably a lot of people had already done it so perhaps asking if sometime would be kind enough to share, it would save a job.
The stock app is great out the box, to make it customised for your/our own forum it looks like it just needs:
- navigation bar removed
- loads directly into a predefined forum out the box
- icon changed
Aside from that, I think it’s already a pretty complete solution, although I’d love to hear any other changes you made and why