Net Monitor Micro (ms.salt.netmonitormicro) on Google Play
Net Monitor Micro shows the network (cellular and Wi-Fi) traffic on top of other applications.You can change following settings:- Size- Location- Color- Update interval- Font size- Font color- etc.I checked on following devices:Xperia Z (Android 4.1.2)Galaxy Nexus (Android 4.2.1)Desire HD (Android 2.3.3)Android Dev Phone 1 (Android 1.6)