diff --git a/doc/app_notes/README.md b/doc/app_notes/README.md
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+Application notes collect many small topics about using openwifi in different scenarios/modes.
+
+- [Use openwifi on the w-iLab.t testbed remotely](https://doc.ilabt.imec.be/ilabt/wilab/tutorials/openwifi.html)
+- [Communication between two SDR boards under AP and client mode](ap-client-two-sdr.md)
+- [Communication between two SDR boards under ad-hoc mode](ad-hoc-two-sdr.md)
diff --git a/doc/app_notes/ad-hoc-two-sdr.md b/doc/app_notes/ad-hoc-two-sdr.md
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+- To be done.
+- Tobe done
diff --git a/doc/app_notes/ap-client-two-sdr.md b/doc/app_notes/ap-client-two-sdr.md
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+- To be done.
+- Tobe done