diff --git a/README.md b/README.md
index d4ad2f9..95691f4 100644
--- a/README.md
+++ b/README.md
@@ -46,4 +46,15 @@ you could build gps-sdr-sim from scratch, but I choose to use the binary provide
  The motion file only simulates for a given period (-d), luckily hackrf_transfer can repeat the transmission with the '-R' switch!
  (see: https://www.blackhat.com/docs/eu-15/materials/eu-15-Kang-Is-Your-Timespace-Safe-Time-And-Position-Spoofing-Opensourcely-wp.pdf)
  
- Enjoy!
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+ Enjoy!
+
+### Test results
+
+Vulnurable devices tested (no need to switch of wifi, gsm etc, works out of the box):
+
+* iPhone 6, running iOS 12.4.4
+* Samsung s10e, running Anroid 10
+ 
+### Improvements
+
+ Combine with fake wifi access points from desired location geo-ap database such as WiGLE  (https://api.wigle.net/) or here https://www.mylnikov.org/archives/1170
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