HP-48/49/50 emulation on iOS

[sunpazed]

I'm reviving this old thread to see if anyone of you can help me.

I am in the process of designing a new high-res theme for iHP48, however there's no documentation that I can find regarding building skins. I have simply reverse engineered a few of the skins found on the device, but this is not exactly great.

Here's what it looks like;
   

Firstly;

1. Can someone point me to a good skin resource, or some documentation?
2. I've noticed a UI bug with <scale>1</scale> — have any of you seen this in your travels?
   

Thanks in advance!