Android compilation added.

android/android.cpp

@@ -0,0 +1,10 @@
+#include <jni.h>
+#include <main.cpp>
+
+void android_main( struct android_app* state ) {
+    int argc = 0;
+    const char* argv[1];
+    argv[0] = NULL;
+
+    main(argc, argv);
+}