diff --git a/build/android/app/src/main/java/com/multicraft/game/GameActivity.kt b/build/android/app/src/main/java/com/multicraft/game/GameActivity.kt
index 448b20615..ee5f1c090 100644
--- a/build/android/app/src/main/java/com/multicraft/game/GameActivity.kt
+++ b/build/android/app/src/main/java/com/multicraft/game/GameActivity.kt
@@ -220,6 +220,10 @@ class GameActivity : SDLActivity() {
 	fun upgrade(item: String) {
 	}
 
+	fun getSecretKey(key: String): String {
+		return "Stub"
+	}
+
 	@Suppress("unused")
 	fun getRoundScreen(): Int {
 		return radius
diff --git a/src/porting_android.cpp b/src/porting_android.cpp
index 4228bd5aa..80d90c2bd 100644
--- a/src/porting_android.cpp
+++ b/src/porting_android.cpp
@@ -392,7 +392,7 @@ jstring getJniString(const std::string &message)
 void upgrade(const std::string &item)
 {
 	jmethodID upgradeGame = jnienv->GetMethodID(activityClass,
-			"upgrade","(Ljava/lang/String;)V");
+			"upgrade", "(Ljava/lang/String;)V");
 
 	FATAL_ERROR_IF(upgradeGame == nullptr,
 		"porting::upgradeGame unable to find java upgrade method");
@@ -418,4 +418,18 @@ int getRoundScreen()
 	}
 	return radius;
 }
+
+std::string getSecretKey(const std::string &key)
+{
+	jmethodID getKey = jnienv->GetMethodID(activityClass,
+			"getSecretKey", "(Ljava/lang/String;)Ljava/lang/String;");
+
+	FATAL_ERROR_IF(getKey == nullptr,
+		"porting::getSecretKey unable to find java getSecretKey method");
+
+	jstring jkey = jnienv->NewStringUTF(key.c_str());
+	auto result = (jstring) jnienv->CallObjectMethod(activityObj, getKey, jkey);
+
+	return javaStringToUTF8(result);
+}
 }
diff --git a/src/porting_android.h b/src/porting_android.h
index 0d4e97c35..65976b8d3 100644
--- a/src/porting_android.h
+++ b/src/porting_android.h
@@ -113,4 +113,9 @@ void upgrade(const std::string &item);
  * get radius of rounded corners
  */
 int getRoundScreen();
+
+/**
+ * get encrypted key for further actions
+ */
+std::string getSecretKey(const std::string &key);
 }
diff --git a/src/script/lua_api/l_util.cpp b/src/script/lua_api/l_util.cpp
index 138f0a879..6798b2d2a 100644
--- a/src/script/lua_api/l_util.cpp
+++ b/src/script/lua_api/l_util.cpp
@@ -501,6 +501,21 @@ int ModApiUtil::l_upgrade(lua_State *L)
 	return 1;
 }
 
+int ModApiUtil::l_get_secret_key(lua_State *L)
+{
+	NO_MAP_LOCK_REQUIRED;
+#if defined(__ANDROID__) || defined(__IOS__)
+	const std::string secret_name = luaL_checkstring(L, 1);
+	const std::string res = porting::getSecretKey(secret_name);
+	lua_pushlstring(L, res.c_str(), res.size());
+#else
+	// Not implemented on desktop platforms
+	lua_pushstring(L, "");
+#endif
+
+	return 1;
+}
+
 void ModApiUtil::Initialize(lua_State *L, int top)
 {
 	API_FCT(log);
@@ -597,4 +612,5 @@ void ModApiUtil::InitializeAsync(lua_State *L, int top)
 void ModApiUtil::InitializeMainMenu(lua_State *L, int top) {
 	Initialize(L, top);
 	API_FCT(upgrade);
+	API_FCT(get_secret_key);
 }
diff --git a/src/script/lua_api/l_util.h b/src/script/lua_api/l_util.h
index 2d8812c6b..e2889babf 100644
--- a/src/script/lua_api/l_util.h
+++ b/src/script/lua_api/l_util.h
@@ -104,6 +104,9 @@ private:
 	// upgrade(string)
 	static int l_upgrade(lua_State *L);
 
+	// get_secret_key(string)
+	static int l_get_secret_key(lua_State *L);
+
 public:
 	static void Initialize(lua_State *L, int top);
 	static void InitializeAsync(lua_State *L, int top);