Table 2.

Suggestions from adolescents and young adults for the intervention.

Theme	Example quote
Positive tone	“I think that, and just like spreading positivity on that page is obviously going to be a huge plus”.
Privacy	“I don’t necessarily need this friend that I knew in elementary school to know that I am part of this sarcoma support group. Having that either be secret or specifically just within the app, I think that make some people feel more comfortable.”
Space to exchange practical tips for dealing with sarcoma	“Different sections dedicated to patients going through what they’re going through...What do you guys do when it’s scan time? How do you guys relax.”
Bright, appealing visuals	“I would say, go kind of colorful. Not over the top, but definitely a lot of colors are always fun to see. Appealing to the eye.”