I wouldn't say it is an expression exactly, but without context, I would understand it like that.
Waze is called "waze" in Hebrew. No difference. BTW, Waze was invented by an Israeli Jew. Thanks, Israelis!
Is it like saying "I have my ways" in response to someone asking how you got something done?
The “lu“ is the male form for the “to have“.
“yesh li“ would be I have and “yesh la“ would be she has. (Sorry for just sounding out the words rather than writing it in Hebrew, the formatting becomes strange when I tried that