It's never been easier to get started as an app or game developer - here's all you need to know in order to start developing an iPhone or iPad app and get it on to Apple's App Store.

Learn how to join and leave an app's beta on the Google Play Store.

In April, Apple updated its guidelines to allow retro game emulators on the App Store, and several popular emulators have already been released. The emulators released so far allow iPhone users to ...