Traditionally, AI assistants on smartphones have existed in separate interfaces: you open a chat window, ask a question, then switch back to your app of choice once you’ve received an answer. Google’s new split screen implementation breaks that pattern. Now, Gemini can appear alongside another app in a dedicated pane, actively assisting you as you work. For example, while composing an email or message, Gemini can suggest phrasing, refine text, or draft replies in real time. If...