No apps matching 'falk' but maybe you were thinking of 'File lock'

ES File Explorer (1.5 Cupcake)

Added 155 months ago by am
Views: 40736 Category: Productivity

File Manager HD (Explorer)

Added 155 months ago by am
Views: 4744 Category: Tools

AndroZip™ Pro File Manager

Added 155 months ago by am
Views: 2205 Category: Productivity

File Manager (Explorer)

Added 155 months ago by am
Views: 49666 Category: Tools

Linda File Manager

Added 155 months ago by am
Views: 101576 Category: Productivity

Android File Manager

Added 155 months ago by am
Views: 12422 Category: Productivity