Create a getting started / welcome app

[jbmorley]

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[jbmorley]

As part of this, we need to great some graphics for the app: icon, introductory screen, etc. This used to be tracked as #159, but closed that and we can track it here.

When @tomsci and I were talking about this, we had the following ideas (and probably a few more I didn't capture):

• EPOC hand logo X pixelated iPhone
• Psion 'P' logo
• Classic lightbulb from the original tips app

The original Series 3c / 3mx tips app:

This has a slightly flatter style to the Series 5, but perhaps it could serve as inspiration. I'd been hoping to find a lightbulb in the original Series 5 / Series 7 built-in clipart, but no such luck.

I do like the idea of an iPhone or iPad rendered in the graphics style of the time: This screenshot of PsiWin shows that style pretty well:

[jbmorley]

I was planning to put a storyboard together for this but I've got around to it yet. In the meantime, here's an aspirational list of screens:

1. Welcome
2. What is OPL / what are Psions?
3. What can it do (displaying images, and sprites?)
4. What can it do (playing sounds)
5. What can it do (put it together sounds and animations / little character jumping across screen)
6. Screen furniture (menu button / toolbar button / task switcher / clock)
7. Installing programs
8. Go ahead and play!

We might find it more useful to put step 6 earlier? 'Welcome to OPL; this is a toolbar, here's the menu, etc.'

[jbmorley]

Pushing this to 1.0.1.