Android 24 September 2026 · 2 min read
Signing an Android app without mixing up your keys
Upload key, app signing key, keystore: the differences that matter, the useful keytool commands and the mistakes that cost you dearly later.
Blog
Useful, lasting guides on PWAs, Android and security, written by the PWA2APP team.
Security 24 September 2026 · 2 min read
Why Google blocks OAuth in a WebView, and what to do instead
Google blocks sign-in inside embedded browsers. The reasons, the disallowed_useragent error and the right answer: Custom Tabs and PKCE, explained.
PWA 24 September 2026 · 2 min read
Making a PWA installable the right way: the complete guide
Manifest, HTTPS, icons, service worker: the installability criteria of a PWA, the most frequent mistakes and how to check that everything is in order.