Log Master is a lightweight, efficient and intuitive application which serves as a tool for viewing logs or any other raw text files in different forms.
Use the multitude of features to manipulate the text content, and display it in various forms to quickly find the information you are looking for.

Please try the FREE version before purchasing the PRO version:
https://play.google.com/store/apps/details?id=com.octav.utils.logmaster

If you are happy with it and you would like the support the developer, you can purchase the ad-free pro version.

Features:

✓ In-App file browser - quickly browse the device's internal storage and select a file
✓ Read and display the raw content of the selected file
✓ Filter the content by a given text, to display only the lines containing it.
✓ Search and find every occurrence of a text within the file content
✓ Next/Previous functions to navigate between search matches
✓ Color filters, to change the appearance of the text, based on a pattern, text color and background color .
✓ Highlight chunks of text using color filters to quickly identify key words or portions of text
✓ Application settings - change font size, enable/disable line numbers, enable/disable case sensitive.
✓ Save the filtered content to file, for later use.