diff --git a/android/res/values-pt-rBR/strings.xml b/android/res/values-pt-rBR/strings.xml
index 14c21f1e..fb5d2a3c 100644
--- a/android/res/values-pt-rBR/strings.xml
+++ b/android/res/values-pt-rBR/strings.xml
@@ -1,48 +1,119 @@
-<?xml version='1.0' encoding='UTF-8'?>
-<resources>
-  <!--Source: App icon label.
-        Description: The name of the application.-->
-  <!--Source: Activity title.
-        Description: Title for the Settings activity.-->
-  <string name="tts_settings_label">Configurações de TTS do eSpeak</string>
-  <!--Source: Preference title.
-        Description: Title for the preference that controls default voice pitch.-->
-  <string name="setting_default_pitch">Frequência padrão do som</string>
-  <!--Source: Preference title.
-        Description: Title for the preference that controls default speech rate.-->
-  <string name="setting_default_rate">Multiplicador da taxa de fala</string>
-  <!--Source: Dialog text.
-        Description: Status message shown when installing voice data.-->
-  <string name="installing_voice_data">Instalando dados de voz...</string>
-  <!--Source: Dialog message.
-        Description: Alert dialog prompting the user to set eSpeak as their default TTS engine.-->
-  <string name="set_default_message">O eSpeak não está definido como seu mecanismo padrão de conversão de texto em voz.</string>
-  <!--Source: Dialog message.
-        Description: Alert dialog telling the user that voice data installation failed.-->
-  <string name="voice_data_failed_message">Falha ao instalar os dados de voz do eSpeak. Verifique seu cartão SD.</string>
-  <!--Source: Dialog message.
-        Description: Alert dialog telling the user that an unknown error has occurred.-->
-  <string name="error_message">Falha ao iniciar o eSpeak.</string>
-  <!--Source: Label text.
-        Description: Label informing the user of the current text-to-speech language.-->
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+  <!--
+        Source: App icon label.
+        Description: The name of the application.
+    -->
+  <string name="app_name" translatable="false">eSpeak</string>
+  <!--
+        Source: Activity title.
+        Description: Title for the Settings activity.
+    -->
+  <string name="tts_settings_label">Ajustes de TTS do eSpeak</string>
+  <!--
+        Source: Preference title.
+        Description: Title for the preference that controls default voice pitch.
+    -->
+  <string name="setting_default_pitch">Tom</string>
+  <!--
+        Source: Preference title.
+        Description: Title for the preference that controls default speech rate.
+    -->
+  <string name="setting_default_rate">Velocidade</string>
+  <!--
+        Source: Dialog text.
+        Description: Status message shown when installing voice data.
+    -->
+  <string name="installing_voice_data">Instalando dados de voz…</string>
+  <!--
+        Source: Dialog message.
+        Description: Alert dialog prompting the user to set eSpeak as their default TTS engine.
+    -->
+  <string name="set_default_message">O eSpeak não está configurado como o mecanismo padrão de texto para fala.</string>
+  <!--
+        Source: Dialog message.
+        Description: Alert dialog telling the user that voice data installation failed.
+    -->
+  <string name="voice_data_failed_message">O eSpeak fracassou ao instalar os dados de voz. Por favor verifique o cartão SD.</string>
+  <!--
+        Source: Dialog message.
+        Description: Alert dialog telling the user that an unknown error has occurred.
+    -->
+  <string name="error_message">Desculpe, o eSpeak fracassou em iniciar.</string>
+  <!--
+        Source: Label text.
+        Description: Label informing the user of the current text-to-speech language.
+    -->
   <string name="current_tts_locale">Voz padrão</string>
-  <!--Source: Label text.
-        Description: Label informing the user of how many voices are installed.-->
+  <!--
+        Source: Label text.
+        Description: Label informing the user of how many voices are installed.
+    -->
   <string name="available_voices">Vozes instaladas</string>
-  <!--Source: Button label.
-        Description: Button for launching general text-to-speech settings.-->
-  <string name="tts_settings">Configurações gerais de TTS</string>
-  <!--Source: Button label.
-        Description: Button for launching eSpeak-specific settings.-->
-  <string name="engine_settings">Configurações de TTS do eSpeak</string>
-  <!--Source: Label text.
-        Description: Label informing the user that eSpeak is loading resources.-->
-  <string name="loading">Carregando. Aguarde…</string>
-  <!--Source: Spoken aloud.
-        Description: Sample text spoken aloud when the user is trying out a language.-->
-  <string name="sample_text"></string>
-  <!--Source: Variant preference labels.
-        Description: Labels for possible voice variant/gender/age values.-->
-  <!--Source: Rate preference labels.
-        Description: Labels for possible rate multiplier values.-->
+  <!--
+        Source: Button label.
+        Description: Button for launching general text-to-speech settings.
+    -->
+  <string name="tts_settings">Ajustes gerais de TTS</string>
+  <!--
+        Source: Button label.
+        Description: Button for launching eSpeak-specific settings.
+    -->
+  <string name="engine_settings">Ajustes de TTS do eSpeak</string>
+  <!--
+        Source: Label text.
+        Description: Label informing the user that eSpeak is loading resources.
+    -->
+  <string name="loading">Carregando, por favor aguarde…</string>
+  <!--
+        Source: Spoken aloud.
+        Description: Sample text spoken aloud when the user is trying out a language.
+    -->
+  <string name="sample_text">Esta é uma amostra de texto falado em <xliff:g>%s</xliff:g></string>
+  <!--
+        Source: Variant preference labels.
+        Description: Labels for possible voice variant/gender/age values.
+    -->
+  <string-array name="default_variant_entries">
+    <item>Masculino</item>
+    <item>Masculino (Variante 1)</item>
+    <item>Masculino (Variante 2)</item>
+    <item>Masculino (Variante 3)</item>
+    <item>Masculino (Variante 4)</item>
+    <item>Masculino (Variante 5)</item>
+    <item>Masculino (Variante 6)</item>
+    <item>Masculino (Variante 7)</item>
+    <item>Feminino</item>
+    <item>Feminino (Variante 1)</item>
+    <item>Feminino (Variante 2)</item>
+    <item>Feminino (Variante 3)</item>
+    <item>Feminino (Variante 4)</item>
+    <item>Feminino (Variante 5)</item>
+    <item>Klatt (Variante 1)</item>
+    <item>Klatt (Variante 2)</item>
+    <item>Klatt (Variante 3)</item>
+    <item>Klatt (Variante 4)</item>
+    <item>Rouco (Masculino)</item>
+    <item>Sussurrado (Masculino)</item>
+    <item>Sussurrado (Feminino)</item>
+    <item>Jovem (Masculino)</item>
+    <item>Jovem (Feminino)</item>
+    <item>Idoso (Masculino)</item>
+    <item>Idoso (Feminino)</item>
+  </string-array>
+  <!--
+        Source: Rate preference labels.
+        Description: Labels for possible rate multiplier values.
+    -->
+  <string name="status">Status</string>
+  <string name="tts_version">Versão de eSpeak</string>
+  <string name="speak">Speak</string>
+  <string name="ssml">Carregar modelo SSML</string>
+  <string name="synthesis_demo">Insira texto a falar:</string>
+  <string name="espeak_volume">Volume</string>
+  <string name="formatter_wpm">%s WPM</string>
+  <string name="formatter_percentage">%s%%</string>
+  <string name="resetToDefault">Restaurar padrão</string>
+  <string name="espeak_pitch_range">Variação de tom</string>
+  <string name="espeak_variant">Variante de voz</string>
 </resources>