The Collaborative International Dictionary of English v.0.48:

Amigo \A*mi"go\, n.; pl. Amigos. [Sp., fr. L. amicus.]
   A friend; -- a Spanish term applied in the Philippine Islands
   to friendly natives.
   [Webster 1913 Suppl.]

V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

AMIGOS
       Advanced Mobile Integration in General Operating Systems