A free program for Android, by Photoable Montage LLC.
Front Flash Camera: Night Selfie Camera Expert is an application for Android that allows you to capture the perfect selfie in low-light conditions or in darkness. The application is extremely easy to use, so even if you have never used a front flash before, you can easily capture the perfect selfie.
The application is very simple to use. You just need to open it, turn the flash on, and start shooting. The app will automatically take the best picture for you.
The best thing is that it does not require any additional hardware. So, you can use it on your smartphone or tablet without having to buy a special camera.