Enlarge / Remote Assist, with its green augmented reality arrow pointing out something of interest, on an Android phone. (credit: Microsoft) With HoloLens 2's big reveal just around the corner, Microsoft has broadened its augmented-reality (AR) ambitions with new apps for Android and iOS. Remote Assist is an app designed for service engineers operating in the field, letting them show what they can see to a remote expert, who can then use a mixture of voice and AR drawing and annotation on what they see to provide guidance, troubleshooting, and instruction.