AppSharer support many method to share your apps, you can share by message, Gmail, bluetooth, what's app, facebook, QR-Code, Dropbox etc. By using the feature to export APK to SD card, you could backup your app to your SD card. App Sharer will allow you to share your apps via: Email, Gmail, Bluetooth, Whatsapp, Dropbox, Google Drive, Facebook. SuperBeam, Xender, Wi-Fi Direct.