Google has added an unusual new feature to the Google Play Store: the ability to pre-register for Android apps.
If you're interested in a forthcoming app, Google has enabled developers to post the app details early, with the usual Buy or Install button replaced by a Pre-register button.
Hit this Pre-register button and you'll get a notification on your Android device when the app is actually released. It doesn't represent a commitment to buy - just a signal of interest.
It was noticed by a number of Android users over the weekend that the first app developer had made use of this new feature. Mobile game publisher Glu has made its Terminator Genisys: Revolution game available for pre-registration.
Once you're clicked the Pre-register button, it turns into an Unregister button should you change your mind about the app.
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Hopefully this feature will become widely used on the Google Play Store. In particular, it could serve to tip off app developers off as to the sort of devices that will be running their app ahead of release, allowing them to improve compatibility before the complaints start flooding in.
Terminator Genisys: Revolution, in case you were wondering, is a tie-in with the forthcoming movie reboot. It appears to be a futuristic third person shooter, but undoubtedly the most interesting thing about it is that it heralds a bright new Android feature.