To know which Pega Mobile Client versions are supported, read the following Support Documents:
Pega Mobile Client support for version 7
Pega Mobile Client support for versions 7.41.7 and earlier and for 8.4.x and earlier
Pega Mobile Client support for versions 8.5.2 and earlier
Pega Mobile Client support for versions 8.6.5 and earlier
Pega Mobile Client support for versions 8.7.1 and earlier
Pega Mobile Client Support for version 10.0.0