Entries can be filtered on the mobile app.
The filter controls are disabled by default as they might clutter the interface on small devices or they might not be needed when collecting data.
You can enable the filters from the settings page:
Filters are disabled
Filters are enabled
Filters are shown on entries list
Tap start date OR end date button
Pick a day on the date picker
Tap the status button
Pick a status from the list of statuses
Type the word you are looking for