Suggestion: add "Search All Sites" feature to the SE mobile app
16260
Search across Stack Exchange sites in Android app
6758
Is search a necessary navigation element?
92109
Searching my own questions & answers over all Stack Exchange sites
39937
Switch to mobile site on standard browser
19664
Is it possible to view Featured Question via the mobile site and iOS/android app?
136627
Pressing enter on "find a stackexchange site" should go to first listed site
49531
Globally disable "include online search results"
70689
How are sites sorted in the all sites in the Stack Exchange Android app?
75563
Improve selection/ranking of favorite sites and feed for the android app
58950
An "Everything Search" for Ubuntu?
61901
Ability to alter my favorite sites in the Android app
114740
Is there a way to detect find on the page searches in javascript
44877
How can I search within a manpage?
8397
Search among posts you've voted for
23899
Related questions in "Ask Question" page is better than the search tool
69062
Please add a tag search functionality to Careers
139063
Search bar is missing in mobile theme