Twitter Kit SDK Twitter Kit provides access to single Tweet and timeline embeds, Tweet Composer (sharing), and Sign in with Twitter. It also contains a Twitter API wrapper for easy use of the platform for mobile developers. Available through Fabric and CocoaPods.
Cards Twitter Cards help you richly represent your content within Tweets across the web and mobile. This gives users greater context for shared URLs and can provide greater traffic to your site or app.
[SOLVED] Success method isn't called after successful login Twitter Kit for Android [Twitter Kit SDK] (2)
TwitterKit 3.0.3 - share same twitter app (consumer key and secret) between multiple apps [Twitter Kit SDK] (10)