Speed Wifi Transfer Pro v1.0.1 APK (Unlimited Money)

Read/write any folder, including sdcard, in your android device with this ftp server. You can backup your photos to your PC, copy music and movies to you device, etc.

If you still do not have a ftp client I recommend FileZilla client (you can download it on http://filezilla-project.org/) but you can also use file explorer on windows.

Features:

Use WiFi network interface in your device
One Ftp user (can be disabled). Name and password can be changed.
Home directory can be root directory,
Read only mode.
Passive and active modes.
Show hidden files.
Custom home folder.
Option to run server as a foreground service.
Energy save mode.
Languages supported: English, Spanish, Romanian, French, Italian, Hungarian, German, Chinese and Portuguese.

Permissions needed:

INTERNET
ACCESS_NETWORK_STATE
ACCESS_WIFI_STATE

Network permission to enable server to open network communication with ftp clients.

WRITE_EXTERNAL_STORAGE

Enables ftp server write received files from ftp clients on sdcard.

WAKE_LOCK

Keeps phone wake only while server is running. If phone is not wake connections to ftp server can fail.