[Samsung Galaxy Watch 3] adfree:
D:\SDB\SDB260>sdb install samsungapps-000002144446-31853271-401000800.wgt
pulled samsungapps-000002144446-31853271-401000800.wgt 100% 30MB
1 file(s) pulled. 0 file(s) skipped.
samsungapps-000002144446-31853271-401000800.wgt 446 KB/s (31853271 bytes in 69.620s)
path is /opt/usr/home/owner/apps_rw/tmp/samsungapps-000002144446-31853271-401000800.wgt
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[start] val[install]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[12]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[15]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[18]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[21]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[25]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[28]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[31]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[34]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[37]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[40]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[43]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[46]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[50]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[53]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[56]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[59]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[62]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[65]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[68]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[71]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[75]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[78]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[81]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[84]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[87]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[90]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[93]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[96]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[install_percent] val[100]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.shealth_gear] key[end] val[ok]
spend time for pkgcmd is [40026]ms
rm: remove write-protected regular file `/opt/usr/home/owner/apps_rw/tmp/samsungapps-000002144446-31853271-401000800.wgt'? ^C
D:\SDB\SDB260>sdb install firstBlood_oldest_v14.tpk
pulled firstBlood_oldest_v14.tpk 100% 12MB
1 file(s) pulled. 0 file(s) skipped.
firstBlood_oldest_v14.tpk 453 KB/s (12966146 bytes in 27.900s)
path is /opt/usr/home/owner/apps_rw/tmp/firstBlood_oldest_v14.tpk
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.stealth_fear] key[start] val[install]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.stealth_fear] key[install_percent] val[12]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.stealth_fear] key[install_percent] val[15]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.stealth_fear] key[install_percent] val[18]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.stealth_fear] key[install_percent] val[21]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.stealth_fear] key[install_percent] val[25]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.stealth_fear] key[install_percent] val[28]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.stealth_fear] key[install_percent] val[31]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.stealth_fear] key[install_percent] val[34]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.stealth_fear] key[install_percent] val[37]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.stealth_fear] key[install_percent] val[40]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.stealth_fear] key[install_percent] val[43]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.stealth_fear] key[install_percent] val[46]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.stealth_fear] key[install_percent] val[50]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.stealth_fear] key[install_percent] val[53]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.stealth_fear] key[install_percent] val[56]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.stealth_fear] key[install_percent] val[59]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.stealth_fear] key[install_percent] val[62]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.stealth_fear] key[install_percent] val[65]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.stealth_fear] key[install_percent] val[68]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.stealth_fear] key[install_percent] val[71]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.stealth_fear] key[install_percent] val[75]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.stealth_fear] key[error] val[-21]
__return_cb req_id[1] pkg_type[tpk] pkgid[com.samsung.stealth_fear] key[end] val[fail]
processing result : Register application error [-21] failed
spend time for pkgcmd is [8839]ms
rm: remove write-protected regular file `/opt/usr/home/owner/apps_rw/tmp/firstBlood_oldest_v14.tpk'?

Found my mistake with wrong Colors... done.

For last problem IMHO I will simple use the manifest file from the "extension"...

Best Regards