Reona

The Mac emoji picker is slow, unreliable, and always interrupts your flow. One shortcut fixes it. Press ⌘⇧E (or any shortcut key of your choice) anywhere, search, hit Enter. emoji.key learns your most-used emojis and stays invisible when idle; minimal memory, no background noise. Built by a high school student in Japan and two-time Swift Student Challenge winner. First commercial app. ¥280 ($1.99) on the Mac App Store.