AR application ...need body tracking and gesture recognition. Android and iOS both

Hello sir/mam I am create AR app by unreal game engine I am also create ar fliter for instragram by spark ar This both software are create best Ar app or AR fliter req. for create ar app 1. laptop or computer 2. spark ar or unreal game engine 3. 3d models which are using in AR app 4. best device to test the AR app I have all this things which create best AR app for more infomation message me sir/mam plz awared me this project i am not disappoint you sir/mam and i promise you sir/mam i give you best app of AR with realistic look IT WILL TAKE TIME TO BE CREATE SO THAT'S WHY I TOOK 14 DAYS