https://play.google.com/store/apps/details?id=com.google.android.launcher&hl=zh-HK
主要功能：
• 在主螢幕上顯示 Google 即時資訊：及時取得個人所需資訊，便利程度更勝以往。
• 直接說出「Ok Google」：您只要在主螢幕上說出「Ok Google」啟動語音輸入，隨後即可接著說出搜尋查詢，或是對手機下達操作指令，例如傳送簡訊、規劃路線或播放歌曲。
• 加快搜尋速度：輕按搜尋框便可立即輸入查詢。
• 輕鬆存取您愛用的 Google 產品和服務，例如 Gmail、YouTube 和地圖。
• 加大檢視區域：狀態列和導覽列現已設計成半透明狀態，讓桌布的顯示效果更加清晰，即使展開應用程式導覽匣 (如果裝置支援的話)，仍可看見桌布。
• 簡單易用的桌布挑選器：您可以選擇儲存在裝置或雲端上的任何圖片，然後調整位置並預覽畫面，最後再設為桌布。
Some commands:
General Commands
- “Search for [chicken recipes]?”
- “Say [where is the supermarket] in [Spanish]?”
- “What is [Schrodinger’s cat]?”
- “Who invented [the internet]?”
- “What is the meaning of [life]?”
- “Who is married to [Ben Affleck]?”
- “Stock price of [Apple]”
- “Author of [Game of Thrones]”
- “How old is [Michael Jordan]?”
- “Post to Google+ [feeling great]”
Notes & Reminders
- “Remind me to [buy milk] at [5 PM]”
- “Remind me [when I get / next time I’m at] [home / work / other location] [to send an email to John]”
- “Wake me up in [5 hours]”
- “Note to self: [I parked my car in section D]”
- “Set alarm for [8 PM]”
Time & Date
- “What time is it in [Tokyo]?”
- “When is the sunset [in Chicago (optional)]”
- ”What is the time zone of [Berlin]”
- “Time at home”
- “Create a calendar event: [Dinner in New York] [Saturday at 8 PM]”
Communication
- “Call [Daniel]”
- “Call [mum / dad / wife / uncle / aunt …]”
- “Send [email] to Daniel, [Subject: Meeting], [Message: Will be there in 5]”
- “Send [SMS] to Philipp mobile, don’t forget to buy milk”
- ”[Contact name]”
Weather
- “Weather”
- “Is it going to rain [tomorrow / Monday]”
- “What’s the weather in [Boston]?”
- “How’s the weather in [Portland] on [Wednesday] going to be?”
Maps & Navigation
- “Map of [Flagstaff]”
- “Show me the nearby [restaurant] on map”
- “Navigate to [Munich] on car”
- “How far is [Berlin] from [Munich]?”
- “Directions to [address / business name / other destination]”
Conversions & Calculations
- “What is the tip for [125] dollars?”
- “Convert [currency / length …] to [currency / length …]”
- “How much is [18] times [48]?”
- “What is [45] percent of [350]?”
- “Square root of [81]”
- “….. equals”
Sports
- “How are [the New York Yankees] doing?”
- “When is the next [Los Angeles Lakers] game?”
- “Show me the [Premier League] table”
- “Did [Bayern Munich] win their last game?”
Flight Information
- “Flight [AA 125]?”
- “Flight status of [AA 125]”
- “Has [LH 210] landed?”
- “When will [AA 120] land / depart?”
Web Browsing
- “Go to [Huffington Post]?”
- “Open [xda.com]”
- “Show me [android.com]”
- “Browse to [reddit.com]”
Entertainment
- “Listen to / play [Intro] by [The XX]?”
- “YouTube [fail compilation]?”
- “Who acted in [Ocean’s 11]?”
- “Who is the producer of [Gladiator]?”
- “When was [Alien] released?”
- “Runtime of [Avatar]”
- “Listen to TV”
- “What’s this song?”
Easter Eggs
- “Do a barrel roll”
- “What’s the loneliest number?”
- “Make me a sandwich!”
- “Sudo make me a sandwich!”
- “When am I?”
- “Okay Jarvis, …” (Instead of “Okay Google, …”)
- “Who are you?”
- “How much wood could a woodchuck chuck if a woodchuck could chuck wood.”
- “Beam me up, Scotty!”
- “Tilt” or “Askew”
- “What is your favorite color?”
- “Up up down down left right left right”
- “Tea, Earl Grey, hot” (That’s a tricky one)
- “Go go gadget [app name]”
- “When does the narwhal bacon?”
- “What is the Bacon number of [random actor]?”
- “What does the fox say?”
other examples
http://www.addictivetips.com/android/google-now-commands-smart-cards-list/