Google wants you to know some things about the Pixel 4, while others are meant to be top secret. That is until Google accidentally blew the lid off the Pixel 4’s Galaxy S10 and Note 10 killing feature.  Discovered by XDA-Developers, Google has left code buried inside Android 10 which confirms the Pixel 4 will come with a 90Hz display. For those unfamiliar with 90Hz, it’s a game-changer and a massive advantage over the 60Hz Galaxy S10 and Note 10. Moreover, it even looks set to be an advantage over the Galaxy S11.  What XDA-Developers found was a commit from Google inside Android 10 that it will add an enable/disable option to toggle a 90Hz mode on the ‘P19’ – which we already know this is a reference to the ‘Pixel 2019’. After all, the only Pixels released in 2019 to date are the Pixel 3a and 3a XL and – as great as they are – they are budget-friendly devices which don’t have 90Hz panels.  And this could be the break Google needs. Not only have smaller phone makers who adopted 90Hz displays seen the tech heavily praised for the increased smoothness and reduced eyestrain it brings, but we know that both Apple and Samsung are staying with 60Hz panels in 2019. App...