This event is co-organized with Mobile Meetup Oslo and embraces its "App Devs Eve #4" event. Introduction to fastlane for Android fastlane is the most popular Continuous Delivery solution for iOS apps and it has recently been released for Android too. It lets you define and run your deployment pipelines for different environments and it helps you unify your apps release process and automate the whole process. This talk will be done by Jerome Lacoste, fastlane contributor, who currently work at http://WeWantToKnow.com where he revolutionises math education through gaming. Feedback on Realm Realm is an open source non-sql database for mobile device platforms. Along with the productivity, it brought us pitfalls as well. This talk will be done by Chang Xiangzhong. Building for reusability How do you design and implement an app that needs a lot of customizable and reusable components for different customers? This is a brief walkthrough of our experience with making a massively module-based app, from preliminary design to launched product. This talk will be done by Espen Almdahl.