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App Inventor 2 扩展 · App Inventor 2 中文网

... App Inventor 2 扩展 « 返回首页 App Inventor 2 扩展 Initial Release 1.0 (Introduced as part of MIT App Inventor Release nb149) DRAFT: September 27, 2015 Updated: June 9, 2017 Updated: May 17, 2021 sample extensions are at: MIT App Inven...