diff --git a/pingpong/Makefile b/pingpong/app/Makefile
similarity index 100%
rename from pingpong/Makefile
rename to pingpong/app/Makefile
diff --git a/pingpong/pingpong.c b/pingpong/app/pingpong.c
similarity index 100%
rename from pingpong/pingpong.c
rename to pingpong/app/pingpong.c
diff --git a/pingpong/pingpong.sh b/pingpong/app/pingpong.sh
similarity index 100%
rename from pingpong/pingpong.sh
rename to pingpong/app/pingpong.sh