Why this android app is heavy in size than lichess mobile app ?

how much is its weight ? more than 10 kg ?

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35 MB ,where Lichess is only 9.5 MB ,and I've 2gb ram 8gb Memory old samsung mobile of android 6 ,so why I asking .

35 MB [Edit: 33 MB] isn't still a great amount to worry about, if you can remove those junk files...

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