diff --git a/extension/android/executorch_android/src/main/java/org/pytorch/executorch/annotations/package-info.java b/extension/android/executorch_android/src/main/java/org/pytorch/executorch/annotations/package-info.java
new file mode 100644
index 00000000000..2173a04c69d
--- /dev/null
+++ b/extension/android/executorch_android/src/main/java/org/pytorch/executorch/annotations/package-info.java
@@ -0,0 +1,2 @@
+/** Annotations used by ExecuTorch Android Java/JNI package. */
+package org.pytorch.executorch.annotations;
diff --git a/extension/android/executorch_android/src/main/java/org/pytorch/executorch/extension/llm/package-info.java b/extension/android/executorch_android/src/main/java/org/pytorch/executorch/extension/llm/package-info.java
new file mode 100644
index 00000000000..2fcc8c9ec6b
--- /dev/null
+++ b/extension/android/executorch_android/src/main/java/org/pytorch/executorch/extension/llm/package-info.java
@@ -0,0 +1,2 @@
+/** Extension for LLM related use cases for ExecuTorch Android Java/JNI package. */
+package org.pytorch.executorch.extension.llm;
diff --git a/extension/android/executorch_android/src/main/java/org/pytorch/executorch/package-info.java b/extension/android/executorch_android/src/main/java/org/pytorch/executorch/package-info.java
new file mode 100644
index 00000000000..01d55ebc72b
--- /dev/null
+++ b/extension/android/executorch_android/src/main/java/org/pytorch/executorch/package-info.java
@@ -0,0 +1,2 @@
+/** ExecuTorch Android Java/JNI package. This is the main package for generic use cases. */
+package org.pytorch.executorch;