velope ▁points ▁and ▁user ▁defin able ▁en velope ▁loop ▁points . ▁ ▁Mil ky Tra cker ▁also ▁supports ▁basic ▁( vel ocity ▁sensitive ) ▁note ▁input ▁via ▁M ID I . ▁ ▁Platform ▁support ▁Mil ky Tra cker ▁supports ▁several ▁operating ▁systems ▁and ▁hardware ▁platforms . ▁These ▁include : ▁▁ ▁Microsoft ▁Windows : ▁Mil ky Tra cker ▁runs ▁on ▁Windows ▁ 9 x ▁& ▁Me , ▁N T , ▁Windows ▁ 2 0 0 x , ▁XP , ▁V ista ▁& ▁Windows ▁ 7 . ▁ ▁Unix - like : ▁Mil ky Tra cker ▁is ▁available ▁for ▁Linux , ▁Android , ▁mac OS , ▁Open B SD , ▁and ▁Free B SD . ▁ ▁Am iga : ▁A ▁port ▁of ▁Mil ky Tra cker ▁exists ▁for ▁Am iga OS ▁and ▁Mor ph OS . ▁ ▁Windows ▁Mobile : ▁Mil ky Tra cker ▁can ▁be ▁run ▁on ▁Windows ▁Mobile ▁smart ph ones , ▁P D As , ▁P ocket ▁PC ▁and ▁a ▁V DO ▁Day ton ▁car ▁navigation ▁system ▁running ▁Windows ▁CE ▁ 4 . 2 . ▁ ▁X box ▁ ▁GP 2 x ▁ ▁History ▁Mil ky Tra cker ▁is ▁not ▁based ▁on ▁any ▁existing ▁module ▁re play ▁engine . ▁Its ▁core ▁Mil ky Play ▁has ▁been ▁in ▁development ▁since ▁the ▁mid - 9 0 s , ▁originally ▁as ▁a ▁Dig it rak ker ▁. MD L ▁player . ▁Mil ky Tra cker ▁development ▁started ▁a ▁de cade ▁later ▁for ▁the ▁P ocket ▁PC ▁and ▁it ▁still ▁fully ▁oper ates ▁on ▁rather ▁hum