diff --git a/src/main/res/values-it/strings.xml b/src/main/res/values-it/strings.xml
index 28dc082..142721d 100644
--- a/src/main/res/values-it/strings.xml
+++ b/src/main/res/values-it/strings.xml
@@ -41,7 +41,9 @@
     <!-- Translations must begin there -->
     <!-- Preferences -->
     <string name="pref_title_sync">SMS - Veloce</string>
+    <string name="pref_title_sync_frequency">Frequenza di sincronizzazione rapida</string>
     <string name="pref_title_slow_sync">SMS - Lento e sicuro</string>
+    <string name="pref_title_slow_sync_frequency">Frequenza di sincronizzazione sicura lenta</string>
     <string name="action_settings">Impostazioni</string>
     <string name="sync_now">Sincronizza ora</string>
     <string name="pref_category_sync">Sincronizzazione</string>
@@ -105,6 +107,7 @@
     <string name="ma_title_rate_us">Valutaci!</string>
     <string name="ma_title_add_account">Aggiungi un account</string>
     <string name="ma_title_welcome">Benvenuto</string>
+    <string name="ma_content_welcome">Benvenuto nell\'applicazione SMS di Nextcloud. Questa applicazione ti consente di sincronizzare i tuoi SMS sulla tua istanza di Nextcloud.</string>
     <string name="ma_title_remote_account">Account remoto</string>
     <string name="choose_account">Scegli account</string>
 
@@ -118,11 +121,18 @@
     <string name="sync_inprogress">Sincronizzazione in corso...</string>
     <string name="fatal_error">Errore grave!</string>
 
+    <string name="err_sync_push_request">Errore #3: richiesta push non riuscita</string>
+    <string name="err_sync_create_json_null_smslist">Errore #5: Elenco SMS nullo</string>
     <string name="err_sync_auth_failed">Errore #8: Autenticazione non riuscita</string>
+    <string name="err_sync_http_request_returncode_unhandled">Errore #9: il server ha impostato un codice di errore HTTP non gestito</string>
+    <string name="err_sync_http_request_connect">Errore #11: impossibile eseguire una connessione all\'istanza Nextcloud</string>
+    <string name="err_sync_http_request_httpexception">Errore #12: impossibile eseguire una connessione all\'istanza Nextcloud</string>
+    <string name="err_sync_http_request_ioexception">Errore #13: impossibile eseguire una connessione all\'istanza Nextcloud</string>
     <string name="err_sync_http_request_resp">Errore #14: impossibile analizzare la risposta del server</string>
     <string name="err_sync_http_request_parse_resp">Errore #15: impossibile analizzare la risposta del server</string>
     <string name="err_sync_no_connection_available">Errore #16: Nessuna connessione dati disponibile</string>
     <string name="err_sync_account_unparsable">Errore #17: account non valido. Riconfiguralo</string>
+    <string name="err_sync_ocsms_not_installed_or_oc_upgrade_required">Error #18: l\'applicazione SMS di Nextcloud non è installata o Nextcloud è in attesa di aggiornamento</string>
     <string name="err_fetch_phonelist">Elenco telefonico non valido ricevuto dal server.</string>
     <string name="err_proto_v2">Il server non supporta questa funzionalità. Assicurati che la versione del server sia almeno la 1.6.</string>
     <string name="contactinfos_title">Informazioni di contatto</string>
diff --git a/src/main/res/values-sl/google_playstore_strings.xml b/src/main/res/values-sl/google_playstore_strings.xml
new file mode 100644
index 0000000..e0a6943
--- /dev/null
+++ b/src/main/res/values-sl/google_playstore_strings.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ /*
+ * Copyright (c) 2014, Loic Blot <loic.blot@unix-experience.fr>
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+-->
+<resources
+    xmlns:tools="http://schemas.android.com/tools"
+    tools:ignore="MissingTranslation">
+    <!-- Translation version, reference for translators -->
+	<string name="gp_translation_version">3</string>
+
+	<!-- Translations must begin here -->
+    <string name="gp_short_description">Nextcloud SMS sinhronizira tvoje SMSje z Nextcloud strežnikom</string>
+    <string name="gp_description">
+Nextcloud SMS aplikacija sinhronizira tvoja SMS sporočila na oddaljeni Nextcloud strežnik in ti omogoča, da jih tam lahko bereš.
+
+Pošiljanje SMSov iz NextCcloud strežnika bo možno v bližnji prihodnosti.
+
+Aplikacija je združljiva z Android 4.0 do 6.0
+	</string>
+</resources>