+Mock applications (Release D)
+=============================
+
+There are sample applications in the test/app/ directory that demonstrate a dummy message exchange
+among AD, QP Driver, QP, and TS xApps. Currently, there is no Dockerfile to run those mock applications,
+but they can be built according to the following:
+
+1. Build the TS xApp
+2. $cd test/app/
+3. $cmake -S . -B build
+4. $cd build/
+5. $make
+
+Run xApps in the following order:
+1. TS xApp
+2. qp_xapp
+3. ad_xapp
+
+There is an additional application that mocks a Rest server to demonstrate all control messages
+issued by the TS xApp. It is implemented in Python and echoes all messages it receives. This
+application is located at the test/app directory.