diff -r 64ed56fbc5e7 Lib/test/test_sys.py
--- a/Lib/test/test_sys.py	Sat Jun 25 03:06:58 2016 +0000
+++ b/Lib/test/test_sys.py	Sat Jul 02 16:34:07 2016 +0200
@@ -763,6 +763,14 @@
         self.assertEqual(sys.implementation.name,
                          sys.implementation.name.lower())
 
+    @unittest.skipUnless(hasattr(sys.implementation, "_android_api"),
+                         "not an android platform")
+    def test_is_android(self):
+        # Use an heuristic, the shell on Android is at /system/bin/sh.
+        proc = subprocess.run(['/system/bin/sh', '-c', 'echo OK'],
+                              stdout=subprocess.PIPE)
+        self.assertIn(b'OK', proc.stdout)
+
     @test.support.cpython_only
     def test_debugmallocstats(self):
         # Test sys._debugmallocstats()
diff -r 64ed56fbc5e7 Misc/NEWS
--- a/Misc/NEWS	Sat Jun 25 03:06:58 2016 +0000
+++ b/Misc/NEWS	Sat Jul 02 16:34:07 2016 +0200
@@ -88,6 +88,9 @@
 Build
 -----
 
+- Issue #27442: Expose the Android API level that python was built against, in
+  sys.implementation as '_android_api'.
+
 - Issue #26930: Update Windows builds to use OpenSSL 1.0.2h.
 
 - Issue #23968: Rename the platform directory from plat-$(MACHDEP) to
diff -r 64ed56fbc5e7 Python/sysmodule.c
--- a/Python/sysmodule.c	Sat Jun 25 03:06:58 2016 +0000
+++ b/Python/sysmodule.c	Sat Jul 02 16:34:07 2016 +0200
@@ -1653,58 +1653,57 @@
 #undef MINOR
 #undef TAG
 
+static int
+add_impl_info(PyObject *dict, const char *key, PyObject *value)
+{
+    int res;
+    if (value == NULL)
+        return -1;
+    res = PyDict_SetItemString(dict, key, value);
+    Py_DECREF(value);
+    return res;
+}
+
+static int
+add_impl_info_char(PyObject *dict, const char *key, const char *value)
+{
+    return add_impl_info(dict, key, PyUnicode_FromString(value));
+}
+
+static int
+add_impl_info_long(PyObject *dict, const char *key, long value)
+{
+    return add_impl_info(dict, key, PyLong_FromLong(value));
+}
+
 static PyObject *
 make_impl_info(PyObject *version_info)
 {
-    int res;
-    PyObject *impl_info, *value, *ns;
+    PyObject *impl_info, *ns;
 
     impl_info = PyDict_New();
     if (impl_info == NULL)
         return NULL;
 
     /* populate the dict */
-
-    value = PyUnicode_FromString(_PySys_ImplName);
-    if (value == NULL)
-        goto error;
-    res = PyDict_SetItemString(impl_info, "name", value);
-    Py_DECREF(value);
-    if (res < 0)
-        goto error;
-
-    value = PyUnicode_FromString(_PySys_ImplCacheTag);
-    if (value == NULL)
-        goto error;
-    res = PyDict_SetItemString(impl_info, "cache_tag", value);
-    Py_DECREF(value);
-    if (res < 0)
+    if (add_impl_info_char(impl_info, "name", _PySys_ImplName) < 0)
         goto error;
-
-    res = PyDict_SetItemString(impl_info, "version", version_info);
-    if (res < 0)
-        goto error;
-
-    value = PyLong_FromLong(PY_VERSION_HEX);
-    if (value == NULL)
+    if (add_impl_info_char(impl_info, "cache_tag", _PySys_ImplCacheTag) < 0)
         goto error;
-    res = PyDict_SetItemString(impl_info, "hexversion", value);
-    Py_DECREF(value);
-    if (res < 0)
+    if (PyDict_SetItemString(impl_info, "version", version_info) < 0)
         goto error;
-
+    if (add_impl_info_long(impl_info, "hexversion", PY_VERSION_HEX) < 0)
+        goto error;
 #ifdef MULTIARCH
-    value = PyUnicode_FromString(MULTIARCH);
-    if (value == NULL)
+    if (add_impl_info_char(impl_info, "_multiarch", MULTIARCH) < 0)
         goto error;
-    res = PyDict_SetItemString(impl_info, "_multiarch", value);
-    Py_DECREF(value);
-    if (res < 0)
+#endif
+#ifdef __ANDROID__
+    if (add_impl_info_long(impl_info, "_android_api", __ANDROID_API__) < 0)
         goto error;
 #endif
 
     /* dict ready */
-
     ns = _PyNamespace_New(impl_info);
     Py_DECREF(impl_info);
     return ns;