I'm sorry to hear what happened to your friend. I have no special knowledge on the subject, but I did a quick Google search. I'm sure you might have run across

I'm sorry to hear what happened to your friend. I have no special knowledge on the subject, but I did a quick Google search. I'm sure you might have run across some of these before, but I wanted to share them since I'm pleasantly surprised by the depth of things that are out there. * http://www.gamespot.com/articles/modder-creates-single-handed-ps4-controller-for-disabled-gamers/1100-6418235/ http://www.gamespot.com/articles/modder-creates-single-hande... * http://www.oneswitch.org.uk/1/AGS/AGS-bespoke.htm http://www.oneswitch.org.uk/1/AGS/AGS-bespoke.htm * http://kotaku.com/he-built-a-custom-controller-to-help-disabled-kids-play-523988064 http://kotaku.com/he-built-a-custom-controller-to-help-disab... * http://www.game-accessibility.com/index.php?pagefile=motoric http://www.game-accessibility.com/index.php?pagefile=motoric