Developers will be able to write one integration and have it run on the web, iOS and Android
By Blair Hanley Frank
U.S. Correspondent, IDG News Service | MAR 9, 2017 12:33 PM PT
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It’s built so that developers can write one set of code in Google’s Apps Script language and have their integration run in Gmail on the web, as well as inside Google’s Android and iOS apps for the service. For example, a QuickBooks add-on would let users easily send invoices to people who they’re emailing.
Google already offers Add-ons for its Docs word processing and Sheets spreadsheet software.