Latest Yahoo! Japan 10 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; KFKAWI Build/PS7322; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/98.0.4758.101 Safari/537.36 YJApp-ANDROID jp.co.yahoo.android.yjtop/10.1.38 Fire OS 7 Fire HD 8 (2018)
Mozilla/5.0 (Linux; Android 9; KFKAWI Build/PS7315; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/75.0.3770.143 Safari/537.36 YJApp-ANDROID jp.co.yahoo.android.yjtop/10.1.38 Fire OS 7 Fire HD 8 (2018)
Mozilla/5.0 (Linux; Android 9; ANE-AL00 Build/HUAWEIANE-AL00; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.136 Mobile Safari/537.36 YJApp-ANDROID jp.co.yahoo.android.yjtop/10.1.24 Android 9 Nova 3e
Mozilla/5.0 (Linux; Android 8.1.0; Lenovo TB-X304F Build/OPM1.171019.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Safari/537.36 YJApp-ANDROID jp.co.yahoo.android.yjtop/10.1.27 Android 8 TAB4 10
Mozilla/5.0 (Linux; Android 7.1.2; KFMUWI Build/NS6315; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/70.0.3538.110 Safari/537.36 YJApp-ANDROID jp.co.yahoo.android.yjtop/10.1.38 Fire OS 6 Fire 7" (2019)
Mozilla/5.0 (Linux; Android 7.1.1; PC-TE510HAW Build/NMF26F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/91.0.4472.164 Safari/537.36 YJApp-ANDROID jp.co.yahoo.android.yjtop/10.1.28 Android 7 LAVIE Tab E TE510
Mozilla/5.0 (Linux; Android 7.0; 701HW Build/HUAWEICPN-L0J; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.137 Mobile Safari/537.36 YJApp-ANDROID jp.co.yahoo.android.yjtop/10.1.32 Android 7 MediaPad M3 Lite
Mozilla/5.0 (Linux; Android 7.0; 701HW Build/HUAWEICPN-L0J; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/61.0.3163.98 Mobile Safari/537.36 YJApp-ANDROID jp.co.yahoo.android.yjtop/10.1.32 Android 7 MediaPad M3 Lite
Mozilla/5.0 (Linux; Android 6.0.1; PC-TS508FAM Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.125 Safari/537.36 YJApp-ANDROID jp.co.yahoo.android.yjtop/10.1.9 Android 6 LAVIE Tab S TS508
Mozilla/5.0 (Linux; Android 6.0.1; PC-TE507FAW Build/S100; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/86.0.4240.114 Mobile Safari/537.36 YJApp-ANDROID jp.co.yahoo.android.yjtop/10.1.9 Android 6 LAVIE Tab E TE507
Mozilla/5.0 (Linux; Android 5.1.1; Lenovo YT3-X50F Build/LMY47V; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/86.0.4240.185 Safari/537.36 YJApp-ANDROID jp.co.yahoo.android.yjtop/10.0.32 Android 5 Yoga Tab 3
Mozilla/5.0 (Linux; Android 5.1.1; KFSUWI Build/LVY48F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/75.0.3770.143 Safari/537.36 YJApp-ANDROID jp.co.yahoo.android.yjtop/10.1.38 Fire OS 5 Fire HD 10 (2017)
Mozilla/5.0 (Linux; Android 5.1.1; KFSUWI Build/LVY48F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/70.0.3538.110 Safari/537.36 YJApp-ANDROID jp.co.yahoo.android.yjtop/10.1.38 Fire OS 5 Fire HD 10 (2017)
Mozilla/5.0 (Linux; Android 5.1.1; KFDOWI Build/LVY48F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/96.0.4664.92 Safari/537.36 YJApp-ANDROID jp.co.yahoo.android.yjtop/10.1.38 Fire OS 5 Fire HD 8 (2017)
Mozilla/5.0 (Linux; Android 5.1.1; KFDOWI Build/LVY48F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/70.0.3538.110 Safari/537.36 YJApp-ANDROID jp.co.yahoo.android.yjtop/10.1.38 Fire OS 5 Fire HD 8 (2017)
Mozilla/5.0 (Linux; Android 5.1.1; KFDOWI Build/LVY48F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/59.0.3071.125 Safari/537.36 YJApp-ANDROID jp.co.yahoo.android.yjtop/10.1.35 Fire OS 5 Fire HD 8 (2017)
Mozilla/5.0 (Linux; Android 5.1.1; KFAUWI Build/LVY48F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/75.0.3770.143 Safari/537.36 YJApp-ANDROID jp.co.yahoo.android.yjtop/10.1.38 Fire OS 5 Fire HD 7 (2017)
Mozilla/5.0 (Linux; Android 5.1.1; KFAUWI Build/LVY48F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/70.0.3538.110 Safari/537.36 YJApp-ANDROID jp.co.yahoo.android.yjtop/10.1.38 Fire OS 5 Fire HD 7 (2017)
Mozilla/5.0 (Linux; Android 5.1.1; d-02H Build/HUAWEIM2-802LD; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.138 Safari/537.36 YJApp-ANDROID jp.co.yahoo.android.yjtop/10.1.36 Android 5 D Tab Compact
Mozilla/5.0 (Linux; Android 5.1.1; d-02H Build/HUAWEIM2-802LD; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.111 Safari/537.36 YJApp-ANDROID jp.co.yahoo.android.yjtop/10.1.35 Android 5 D Tab Compact