Update README.md

README.md

@@ -19,5 +19,14 @@ Some data also contains a `data_type`, which records the type of an element in i
 
 ### Mobile data
 
-The data is stored under the *mobile_domain* directory. Our mobile grounding data consists of four parts:
+The data is stored under the *mobile_domain* directory. Our mobile grounding data consists of four parts。
+
+#### AMEX
+Android Multi-annotation EXpo (AMEX) is a comprehensive, large-scale dataset designed for generalist mobile GUI-control agents [1].
+
+Due to the single file size limitation of Hugging Face datasets, we stored the Amex images in *zip* format and split them into several sub-files. They are:
+
+- `path/to/file1`
+- `path/to/file2`
+- `path/to/file3`