▁Local ization ▁And ▁M apping ) ▁which ▁enables ▁object ▁recognition ▁and ▁tracking , ▁as ▁well ▁as ▁marker less ▁instant ▁tracking . ▁ ▁The ▁cross ▁platform ▁SDK ▁is ▁available ▁for ▁Android , ▁iOS ▁and ▁Windows ▁operating ▁systems , ▁being ▁optimized ▁as ▁well ▁for ▁several ▁smart ▁eye we ar ▁devices . ▁ ▁The ▁Wik itude ▁app ▁was ▁the ▁first ▁public ly ▁available ▁application ▁that ▁used ▁a ▁location - based ▁approach ▁to ▁augment ed ▁reality . ▁ ▁How ▁it ▁works ▁ ▁Location ▁based ▁augment ed ▁reality ▁ ▁Wik itude ▁initially ▁entered ▁the ▁market ▁with ▁its ▁ge o ▁location ▁AR ▁app . ▁The ▁Wik itude ▁app ▁was ▁the ▁first ▁public ly ▁available ▁application ▁that ▁used ▁a ▁location - based ▁approach ▁to ▁augment ed ▁reality . ▁ ▁For ▁location - based ▁augment ed ▁reality , ▁the ▁position ▁of ▁objects ▁on ▁the ▁screen ▁of ▁the ▁mobile ▁device ▁is ▁calculated ▁using ▁the ▁user ' s ▁position ▁( by ▁G PS ▁or ▁W ifi ), ▁the ▁direction ▁in ▁which ▁the ▁user ▁is ▁facing ▁( by ▁using ▁the ▁comp ass ) ▁and ▁acceler ometer . ▁Aug ment ations ▁can ▁be ▁placed ▁at ▁specific ▁points ▁of ▁interest ▁and ▁afterwards ▁viewed ▁through ▁the ▁devices ' ▁screen ▁or ▁l enses . ▁ ▁One ▁of ▁the ▁best ▁known ▁examples ▁of ▁Ge o ▁based ▁AR ▁is ▁Pok emon ▁Go . ▁ ▁Image ▁Rec ogn ition ▁ ▁Since ▁August ▁ 2 0 1 2 , ▁Wik itude ▁also ▁features ▁image ▁recognition ▁techn ologies ▁that ▁allow ▁for ▁tra cker ▁images ▁to ▁trigger ▁augment ed ▁reality ▁technology ▁within ▁the ▁app