Update README.md (#5)

- Update README.md (bf8e0b38269bc4674abe2f53b9e84713d2f2ce60)


Co-authored-by: Weiyi Wang <[email protected]>

README.md

@@ -86,6 +86,9 @@ on Colab could be much worse than on a local device.*
 
 ### Android via Google AI Edge Gallery and MediaPipe
 
+> [!NOTE]  
+> Gemma3 270M on Android with GPU acceleration is WIP and will be coming soon.
+
 *   Download and install
     [the apk](https://github.com/google-ai-edge/gallery/releases/latest/download/ai-edge-gallery.apk).
 *   Follow the instructions in the app.
@@ -95,6 +98,9 @@ from the GitHub repository.
 
 ### Android or Desktop via LiteRT LM
 
+> [!NOTE]  
+> Gemma3 270M via LiteRT-LM with GPU acceleration is WIP and will be coming soon.
+
 Follow the LitRT LM [instructions](https://github.com/google-ai-edge/LiteRT-LM/blob/main/README.md) to build our Open Source LiteRT LM runtime to run LiteRT models.
 
 ### iOS via MediaPipe