hi here is the link to the UI 
http://moi3d.com/forum/index.php?webtag=MOI&msg=1521.1
and if you want to add icons in the viewport only, like in this picture , 
 I added 5 icons : wire,shade,togel-light,fullscreen,reverse-selection you can add or remove icons to suite you 
backup:  rename ui , commands folders if you want to go back to the original one 
unzip and overwrite in moi directory  
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