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Busuu is one of the world’s leading language-learning apps. They help anyone learn a language with high-quality courses designed in-house, enriched by conversations with native speakers.

A year ago, they made some serious investments in how they approach their app’s performance. These improvements led to their largest jump in app score rating, to a weekly average of 4.5 stars.

Watch Busuu’s Antoine Sakho, Head of Product and Edoardo Tognoni, Lead Android enginner, talk about some of those performance-related investments they made, and the tools Google provides to help them continue to focus on this area.
Start using Android vitals in the Google Play Console today: http://g.co/play/console

Get the Playbook for Developers app to stay up-to-date with more features and best practices: http://g.co/play/getplaybookapp

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