Use APKPure App
Get syslog-ng monitor old version APK for Android
Monitor your syslog-ng remotely using an android app. You can get basic data from syslog-ng like stats or configuration.
This is a beta app, for more details see the next link:
https://pzolee.blogs.balabit.com/2015/09/monitor-syslog-ng-with-android-app/