Coolmuster Android Eraser 2.1.17 | 22 Mb
The Android Eraser is the most ideal privacy protector, which is designed to erase all personal information from your Android devices without any recovery possibility. And totally it returns your Android device to a "Clean Slate" state so that you can resell or donate it trustingly.

Clean Disk Security 8.10 | 4.3 Mb
A secure file deletion and comprehensive clean-up for tightest security. This program gives you secure file deletion, making sure that deleted files cannot be undeleted again. Deleting a file normally just removes the file's directory entry, but the data itself remains on the disk. This program completely eliminates the contents of deleted files. Clean Disk Security will help you keep your disks clean and with more free space because it overwrites the spaces ocupied on the HDD by the deleted informations.