You can use the Timecard Mobile Settings custom setting for PSA Mobile Timecards to control the indicated fields using custom field sets.
Setting
Description
Default
Assignment Fieldset Name
Fields in this field set define the fields shown in the assignment views.
Null
Assignment Search Fields
Defines a field set to use for searching on assignments in PSA Mobile Timecards. The value is the API name of the Assignment field set.
Supported field types include: String, MultiPicklist, Email, Picklist, TextArea, and URL.
Null
Project Fieldset Name
Fields in this field set define the fields shown in the project views.
Null
Project Search Fields
Defines a field set to use for searching on projects in PSA Mobile Timecards. The value is the API name of the Project field set.
Supported field types include: String, MultiPicklist, Email, Picklist, TextArea, and URL.
Project Task Fieldset Name
Fields in this field set define the fields shown in the project task views.
Null
Show Submit Single Timecard Button
When true, a Submit button is visible on individual timecard header details. The default value is false.
false
Task Time Fieldset Name
Fields in this field set define the fields shown in the task time views.
Null
Monday Fields
Specifies the fields shown in the daily view for the indicated day. The value is the API name for a custom field set on the Timecard object specifying the fields to display.
Null
Tuesday Fields
Wednesday Fields
Thursday Fields
Friday Fields
Saturday Fields
Sunday Fields
Weekly Fields
Specifies the fields shown in the weekly view. The value is the API name for a custom field set on the Timecard object specifying the fields to display.
Null
To suppress display of a field, create an empty custom field set and set the custom setting to use the API name of the empty custom field set.