As emailed, there are files taking up huge space in xo.
209K ./2_English_vocabularyStructures_11_K/assets/image/vocabImg.jpg
414K ./2_English_vocabularyWildAnimals_6_K/assets/image/vocabImg.jpg
308K ./2_English_vocabularyBodyParts_14_K/assets/image/vocabImg.jpg
382K ./2_English_vocabularyBirds_11_K/assets/image/vocabImg.jpg
184K ./2_English_vocabularyClothes_15_K/assets/image/vocabImg.jpg
236K ./2_English_vocabularyTransportation_9_K/assets/image/vocabImg.jpg
263K ./2_English_colorIdentification_19_K/assets/image/background.jpg
93K ./2_English_colorIdentification_19_K/assets/audio/white.wav
86K ./2_English_colorIdentification_19_K/assets/audio/yellow.wav
82K ./2_English_colorIdentification_19_K/assets/audio/black.wav
105K ./2_English_colorIdentification_19_K/assets/audio/red.wav
89K ./2_English_colorIdentification_19_K/assets/audio/green.wav
96K ./2_English_colorIdentification_19_K/assets/audio/orange.wav
109K ./2_English_colorIdentification_19_K/assets/audio/byebye.wav
80K ./2_English_colorIdentification_19_K/assets/audio/blue.wav
387K ./2_English_vocabularyPlants_17_K/assets/image/vocabImg.jpg
299K ./2_English_animalIdentification_8_K/assets/image/background.jpg
76K ./2_English_animalIdentification_8_K/assets/audio/ne_incorrect.wav
109K ./2_English_animalIdentification_8_K/assets/audio/ne_correct.wav
313K ./2_English_vocabularyDomesticAnimals_4_K/assets/image/vocabImg.jpg
210K ./2_English_vocabularyProfessions_6_K/assets/image/vocabImg.jpg
173K ./2_English_vocabularyObjects_5_K/assets/image/vocabImg.jpg
172K ./2_English_vocabularyFood_16_K/assets/image/vocabImg.jpg
164K ./2_English_HangmanNumbers_9_K/assets/image/one_or_more_kitchen_utensils.png
289K ./2_English_HangmanNumbers_9_K/assets/image/hang_man_image.png
76K ./2_English_HangmanNumbers_9_K/assets/audio/ne_incorrect.wav
109K ./2_English_HangmanNumbers_9_K/assets/audio/byebye.wav
109K ./2_English_HangmanNumbers_9_K/assets/audio/ne_correct.wav
597K ./2_English_alphabetPuzzle_1_K/assets/image/img2.png
150K ./2_English_alphabetPuzzle_1_K/assets/image/background.jpg
633K ./2_English_alphabetPuzzle_1_K/assets/image/img3.png
350K ./2_English_alphabetPuzzle_1_K/assets/image/img1.png
191K ./2_English_vocabularyFruits_10_K/assets/image/vocabImg.jpg
126K ./2_English_directionOfArrows_1_K/assets/image/background.png
142K ./2_English_directionOfArrows_1_K/assets/image/background.jpg
109K ./2_English_directionOfArrows_1_K/assets/audio/byebye.wav
Also needs to get rid of *wav files.
