The Rebbe explains that when forming a new group in a new location, it’s best to use a fresh name—not “Shuva Yisrael”—to avoid any past associations that might deter participation. A new name helps unite more Jews. He also encourages daily Torah study, Tehillim, and giving tzedakah before davening.
https://www.torahrecordings.com/rebbe/igroskodesh/015/010/5555