Android | Windows | |
Cache | Temporary files accumulate based on usage of apps. | Temporary files accumulate based on usage. |
Home Screen / Desktop | Icons and shortcuts | Icons, shortcuts, files and anything goes |
Restart | At times require restart to clear memory | Restart required to clear memory and at times after installation |
Piracy | Rooted phone is not supported by manufacturers at least in the support period | Illegal windows is a certain no |
Memory | Better memory management with Android 4.X | Better memory management |
Themes | Able to theme | Able to theme |
Launchers | Able to change the way the phone or device launches the startup | Software available to change the way windows startup, screen etc |
Applications | More apps are available for Android | More applications are available for windows. |
Connectivity | Able to connect to large number of devices | Able to connect to large number of devices |
Sound | Sound management is flexible | Sound management is flexible |
Personalization | Extensive | Extensive |
Backup | Backup to any device / cloud | Back to any device or cloud |
Uninstall format | Uninstall is done under the apps Apps | Uninstall can be done from uninstall programs or specific uninstall files. |
OS | Total flexibility | Total Flexibility |
Security | Large number of both free and paid security softwares are available | Large number of both free and paid security softwares are available |
Flash | Flash supported | Flash supported |
Adobe | Annoying and big adobe update | Annoying and big adobe update |
Network | Network connectivity is good | Network connectivity is good |
I have not covered the iPhone or iOS here, but it is coming soon.