UX perspective
First thank you for working on Welcome screen, very cool. Now I'll try to give back my feedback on it.
My background is Android, but yesterday after many years I got iOS into my hands and used it for two days, so I'll be slightly biased.
- most important, as a user without Phosh knowledge, I'm missing button (preferably top-right) for action like "Done". Escaping from this dialog in the beggining is weird even when I know how Phosh works, since my focus isn't on Phosh controls, but on the Welcome content.
- There is lot information contained in one big step, generally I believe people better perceive informations, when they're split in smaller chunks. Split the page into 3-4 steps (again, button "Next" in top-right would fulfill this task) could be beneficial for the users.