Google Allo is a smart instant messaging app that helps as a virtual assistant and provides a smart reply. It offers users to reply messages with instant suggestions instead of typing, which is available on Android and iOS.

The smart instant messaging is the most significant chatbot messaging platform. It is based on phone number and not by social media or email accounts. It let users express using stickers, doodles and "huge" emojis and text. Its emoji suggestion service is Smart Smiley.

The smart messaging app responds with Smart Reply and keeping the conversation moving with a single tap. It suggests emoji and text message responses based on the user's personality. It also let users draw on photos before sending them. The new Google Allo chatbot is named Lucky, which derives its name from "I'm Feeling Lucky" Google search option where it let you type a word and receive an applicable GIF.

It adds a feature of adjusting the size of the text message when stressing a point. It simply "bold" letters to simply points out if the user is shouting, down and whispering. The "Whisper Shout" offers users to increase the size of a message to characterize the volume of the message.

Google designed Allo as a Google Assistant, which suggests nearby restaurants and movies schedule to checked real-time within the conversation. It also helps in getting the places like distance from the airport and flight schedules.

It can also start a chat privately in incognito mode. It helps in controlling how long the messages and the private notifications will be stored on the phone. The default period is one hour, however, the user can change it.

Messages options are Never, five seconds, ten seconds, 30 seconds, a minute, an hour, one day or a week. This offers end-to-end encrypted conversations more privately and secure. The incognito mode uses the "Signal Protocol." Google Allo supports Android version 4.1 and more.

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