Update README.md

Author: VP1147

README.md

@@ -4,4 +4,12 @@ Game about basic math.
 Avaliable in Portuguese - Open to translations
 
 # How to start
-Open mandrake.py with a python interpreter to start.
+## Python intepreter 
+Open mandrake.py with a python3 interpreter to start.
+## On binary file
+Alternatively, you can start the program by the binary file:
+```
+$ cd ./mandrake/dist/mandrake/
+$ ./mandrake
+```
+