If you've already worked your way through the first three episodes of Relentless Software's Bronze Award-winning Blue Toad Murder Files, you'll no doubt be craving even more.

Good news, Sherlock Holmes wannabes: the Brighton-based developer has submitted an update containing Episode 4 - Death From Above to Apple.

Providing the update makes it past the Cupertino Company's infamous approvals team unscathed, you should see it live on the App Store within the next few weeks.

If you're yet to play Blue Toad Murder Files, be sure to rectify your mistake immediately.

This colourful puzzle-filled adventure is packed to the brim with humorous dialogue, bucketfuls of charm, and plenty of crafty brainteasers that are neither too easy nor too difficult.

Plus, you can grab Blue Toad Murder Files from the App Store right now for just 69p / 99c.