What actually do these two applications? They are claiming to improve internet speed.
http://www.windowsphone.com/en-us/store/app/2g-net-booster/bfc35021-b9c1-40d8-a03d-2aa4897dc8ea
http://www.windowsphone.com/en-us/store/app/3g-internet-booster/31b93f5e-65a6-4a81-9551-8a7a3bcb9a42