# Remote logging sample, TestFairy integration on Android and iOS

**URL:** https://forum.castle-engine.io/t/remote-logging-sample-testfairy-integration-on-android-and-ios/117
**Category:** News
**Created:** [February 2, 2020, 8:40pm UTC](https://forum.castle-engine.io/t/remote-logging-sample-testfairy-integration-on-android-and-ios/117 "2020-02-02T20:40:04Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![michalis](https://forum.castle-engine.io/user_avatar/forum.castle-engine.io/michalis/32/3_2.png) [@michalis](https://forum.castle-engine.io/u/michalis)
#### Post date: [February 2, 2020, 8:40pm UTC](https://forum.castle-engine.io/t/remote-logging-sample-testfairy-integration-on-android-and-ios/117/1 "2020-02-02T20:40:04Z")

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| [![TestFairy with Castle Game Engine projects](https://castle-engine.io/wp/wp-content/uploads/2020/02/test_fairy_cge-200x93.png)](https://castle-engine.io/wp/wp-content/uploads/2020/02/test_fairy_cge.png "TestFairy with Castle Game Engine projects") |

I added to our _Castle Game Engine_ two very useful features for remote debugging:

1. You can register custom event on the [ApplicationProperties.OnLog](https://castle-engine.io/apidoc-unstable/html/CastleApplicationProperties.TCastleApplicationProperties.html#OnLog) list. This allows to observe _all_ the CGE logs (including warnings). 

2. You can integrate your mobile game with [TestFairy](https://www.testfairy.com/). It is a mobile testing platform that allows to distribute test applications easily (on both Android and iOS). It can also (optionally) gather logs from testers, their device details (phone model etc.), and even record videos of their playthrough.