Memo Player: learn languages

Feb 8, 2019

ver. 2.0.18: show sleep button easier
ver. 2.0.14-15: bug fix on playing in the background for android 8 and 9
ver. 2.0.13: add a storage permission request dialog
ver. 2.0.12: add EU users consent. increase min API level from 10 to 14
ver. 2.0.11: add privacy policy
ver. 2.0.0: improved design
ver. 1.4.0: improved layout
ver. 1.3.1: bug fix. add a button of editing extra info
ver. 1.2.10: improved player1's responses of changing speed