Brando Phone Speaker - A tiny speaker that fits into your phone's headphone jack
BookWidgets - BookWidgets is an excellent application that let you create engaging exercises in minutes and easily share a varied variety of beautiful and fun activities with your classroom and others.
Aurora - Download apks from Google Play Store
Padlet - Visual boards for organizing anything.
AIMP - AIMP : Free Audio Player : Официальный сайт программы
Quizlet - Quizlet allows you to review and create flashcards for a variety of subjects, such as math and reading.