Find matching keyword within Android using search iPhone has a finder option that enables the user to search the whole phone for the matching keyword that we enter. Is there something similar for Android?
Android has Google Search. In the homescreen, long-press the left soft key of your phone to trigger the search.

Also, if your phone has a Google app, launch it. Then click the left soft key to open a menu. Click Settings, and you will find Phone Search. You can select which items to search.