Phone Volume Booster let you to increase the volume in both Loud speaker and earpiece. You can route the audio to Earpiece as well!
Features:
* To increase more go to settings then increase from "Maximum boost level".
* You can set maximum boost in the higher priority but not advisable.
* Support for devices which don't have menu key, they can use the settings button.
* make the phone ring louder;
* listen to music at maximum volume;
* play video with maximum volume.