A compact, portable device designed to project images or video from an Android-based smartphone or tablet onto a larger surface, such as a wall or screen. These devices offer a convenient way to share content, presentations, or media without the need for a traditional, larger projector and a separate computer or media player. They typically connect wirelessly via Bluetooth or Wi-Fi, or through a wired connection like USB or HDMI.
The advent of small, capable projection systems has significantly impacted mobile presentations and entertainment. Offering on-demand visual sharing, it benefits professionals needing portable presentation solutions and individuals seeking convenient movie viewing experiences. Its historical context involves the miniaturization of projection technology, transitioning from bulky equipment to pocket-sized devices, spurred by advancements in LED lighting and display technologies.