Where it comes from
The line in the source
日本と欧米6ヵ国の合計10万人以上を対象とした自社の調査では ... アプリを3ヶ月以上プレイすることで、1時間10分延びた Explore / Figure
Record
Survey sample size (not users), TPC own survey
TPC own survey
FiledTaken from a filing, a registry or the company’s own published page.
Found in one pass only. The research team reads every source twice, independently; this record turned up in one reading but not the other, so treat it as less certain than its grade.