1, with? apktool? Tool decompression? apk? document
2. After decompression? androidmainfest.xml? Find the icon, name and resource name in the file, and then find the specific resource to modify in the res directory. You can also find the package name to modify.
3. Find the version name and version number to be modified at the end of apktool.yml file.
4. Repackage, sign and align
There is quite a lot of software on PC, but very little on web. I found it for you. You can try the web link.