Five questions from memory. No sign-up, no email — see the gap between what your résumé claims and what your brain can retrieve.
Mobile is where most of the world actually touches software. Whether building natively with Kotlin and Swift or cross-platform with React Native and Flutter, mobile engineers need to understand app signing, permissions, store review, and push notifications — not just UI code. This skill measures practical knowledge of the mobile ecosystem: the platforms, the tooling, and the release process that ships an app to a user's pocket.
Takes about 5 minutes · results stay on this device