diff --git a/README.md b/README.md
new file mode 100644
index 00000000..3eb8e311
--- /dev/null
+++ b/README.md
@@ -0,0 +1,7 @@
+# SubwayTooter
+Mastodon client app for Android
+
+* Android 5.0 or later
+
+on Play store:
+https://play.google.com/store/apps/details?id=jp.juggler.subwaytooter