Ringtone Maker & MP3 Cutter is a very compact and practical ringtone production tool., has the following powerful features:
1. Cut the music files stored on the phone, made a unique ringtone.
2. Record new sound, sound recording will be cut and produced as ringtones.
3. Scan music stored in your phone and various audio files, music editing and clipping.
4. Have a built-in file browser, easy to find and open the music.
5. Powerful audio editing features, millisecond-level perfect cut.
6. Software supports audio formats MP3, WAV, AAC, AMR, 3GPP, 3GP, M4A.
7. The software will produce a good music file as the default ringtone or warning tone, can be added to a contact as a ringing tone.
8. Waveform display, and there are five scaling.
9. Touch to adjust the ringtone by starting and ending location.
10. Record new ringtone.
11. Delete the ringtone.
12. Powerful music editor.

Make sure that third-party apps are allowed on your device: go to Menu->Settings->Security-> and check "Unknown Sources"

Tap the APK file. Allow the app any required permissions it asks for. Then, at the bottom of the installer window, click INSTALL.

You'll see a confirmation the app is installed. Now you'll see the app available in your list of installed apps.