Flasher is a free Android application by karthek that allows you to flash Linux ISO images to pen drives with just one click. It is a handy tool for making bootable pen drives for OS installation or Live boot images. The app is compatible with Android 13.0 and any properly built bootable ISO image.

The user interface of the app is straightforward and easy to navigate. Once you have selected the ISO image and the pen drive, you can start the flashing process with just a click. The app also provides a progress bar that shows the status of the flashing process. The app works smoothly without any lag or crashes. Overall, Flasher is a useful utility tool for anyone who needs to flash Linux ISO images to pen drives on the go.