!!!Basic info

* Font used: [Noto sans|http://www.fontsquirrel.com/fonts/noto-sans]
* [Key cap source code|http://all-free-download.com/free-vector/vector-clip-art/tango_preferences_desktop_keyboard_shortcuts_115846.html].
  Lisence: public domain

!!!Original source file editing

Removed irrelevant keys using Inkscape, saved remaining key cap as pdf, imported
into OmniGraffle for further editing and adaptation.

!!!OmniGraffle edits
* added letters
* exported as png with high resolution

Text is 120 point, vertically centered, and then lifted using text offset Y -6%.

!!!Other tidbits

To convert the large-resolutio png with alpha to a useful iTunes art, do as follows:

{{{
$ convert images/Sami-icon3.png -background white -alpha remove -resize 1024x1024 images/Sami-icon-1024.png
}}}

To create the app store / Google play icon, do as follows:

{{{
$ convert images/Sami-icon3.png -resize 512x512 images/Sami-icon-120.png
}}}

Adjust the size parameter as needed in each case.