They should be on your SD card in the “Color Sounds” folder. Also you can find the videos in your Gallery app.
Sometimes when the camera first starts the focus or light level will be off. Try to leave camera mode and come back to it.
Converting to most other video formats should result in smaller file size than the uncompressed FLV files the app produces. A great app to do conversion and editing on Android is Video Toolbox, which has a free trial/demo version.
Simply have the app you’d like to share with (YouTube, etc.) on your phone or tablet, and it should come up as a choice when using the “Share” feature after making a recording.
Please send an email to firstname.lastname@example.org.