diff --git a/data/src/main/java/com/example/lacerta/data/impl/DeviceMetaImpl.java b/data/src/main/java/com/example/lacerta/data/impl/DeviceMetaImpl.java
index ae7798f3..59c56256 100644
--- a/data/src/main/java/com/example/lacerta/data/impl/DeviceMetaImpl.java
+++ b/data/src/main/java/com/example/lacerta/data/impl/DeviceMetaImpl.java
@@ -1,4 +1,21 @@
 package com.example.lacerta.data.impl;
 
-public class DeviceMetaImpl {
+import com.example.lacerta.data.repository.DeviceMeta;
+
+import javax.inject.Inject;
+
+public class DeviceMetaImpl implements DeviceMeta{
+
+    @Inject
+    public DeviceMetaImpl() {
+    }
+
+    public String getDeviceId() {
+        return "device_id"; // DEBUG
+    }
+
+    public String getDeviceApiLevel() {
+        return "device_api_level"; // DEBUG
+    }
+
 }
diff --git a/data/src/main/java/com/example/lacerta/data/module/DeviceMetaModule.java b/data/src/main/java/com/example/lacerta/data/module/DeviceMetaModule.java
new file mode 100644
index 00000000..102950cf
--- /dev/null
+++ b/data/src/main/java/com/example/lacerta/data/module/DeviceMetaModule.java
@@ -0,0 +1,4 @@
+package com.example.lacerta.data.module;
+
+public class DeviceMetaModule {
+}
diff --git a/data/src/main/java/com/example/lacerta/data/repository/DeviceMeta.java b/data/src/main/java/com/example/lacerta/data/repository/DeviceMeta.java
index 988f22e0..552d1b77 100644
--- a/data/src/main/java/com/example/lacerta/data/repository/DeviceMeta.java
+++ b/data/src/main/java/com/example/lacerta/data/repository/DeviceMeta.java
@@ -1,4 +1,6 @@
 package com.example.lacerta.data.repository;
 
-public class DeviceMeta {
-}
+public interface DeviceMeta {
+    String getDeviceId();
+    String getDeviceApiLevel();
+}
\ No newline at end of file