This document shall help you identify some fiori launchpad texts and give helps how to identify the underlying resources to identify a tranlation key.
Texts display in the Fiori Launchpad
Catalogs, Groups and Tiles
are part of the Business content and defined with the Fiori Launchpad Designer. (FLPD).
Corresponding texts can be found in the Fiori Launchpad designer.
one can use the FLPD to determine the technical key (e.g. Catalogname, groupname) containing the entry.
The following documentation describes how to obtain the translation key from the technical key. .
Translating Tiles, Catalogs, and Groups in the Customizing Layer - SAP Fiori Launchpad - SAP Library
If one does not have access to the Fiori Launchpad designer, the technical key can be determined by inspecting the Pageset request as described below for a group title:
presume we have to identify the technical group name of the group tile "Operação diária":
Opening the developer tools (F12), refresh page(Press F5), on the network tab filter for "Pageset".
Double click on the pageset reqeust to open it in it's own tab.
then search in this content for the text:
In the vincinity you will find the technical group name:
SAP_SFIN_BCG_CR_DAILY.
Given the technical key, use
Translating Tiles, Catalogs, and Groups in the Customizing Layer - SAP Fiori Launchpad - SAP Library
to determine the technical translation key.
Note: The actual response of the pageset reqeust is compact. You may use an extension like JSONView to format the response. Alternatively you can copy it to a text editor of your choice and format.
Application title
Application Title (UI5)
Identify the App
Translations in SAPUI5 Application
Application title, WebGUI
In the catalog, select Target Mappings, the proper line ( alternatively you can search in the top right search field for the technical target mapping id.
Then click "configure".
On the targetmapping screen you will find the title text, which is used. 
Application texts
This article focuses on Fiori Launchpad content texts.
Texts displayed within application screens depend on the applciation technology.
- WDA /Personas
- Webgui /Personas
- UI5 Applications
Backend UI Technologies (WDA, WebGui, Personas)
WDA and WebGUI texts are maintained on the Application backend running the application.
(If personas is used, additional texts may be stored in the Personas repository).
UI5 Applications
Texts display within an application screen are either delived as part of the javascript application.
(* en_US.properties) files.
or retrieved from the backend via OData calls.
(Analyze the content of the network trace).