1. Search the information on the Internet
- manual or automatic addition of the any search engine;
- customise the encoding of the search query;
- search on a specific site using the google system;
2. Search for files or text in files (like grep) on the smartphone file system. You can use root capabilities for more thorough and in-depth searches.
- search for files by mask;
- search for text using regular expressions;
- auto-detect text encoding
- case-insensitive (sensitive) search
- search in a specific folder / folders
- search in system folders

For more understanding, see the youtube video.