diff --git a/README.md b/README.md
index 88e2d1b..7fa4d38 100644
--- a/README.md
+++ b/README.md
@@ -4,3 +4,11 @@ PartKeepr Scannr is an android app for Partkeepr with barcode support based on t
 
 ![login](docs/partkeeprApp_login.png)
 ![Scan](docs/partkeeprApp_scan.png)
+
+The App ist build for android versions 4.1 (AP 16) to 6.0 (AP 23).
+
+For now only tested with the following devices:
+
+- Cubot H1, Android 5.1.1
+
+Please send me your model and android version, to get a meanigful list.
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