Yes, the LG-497 will fit the Ruger LCP II in 22 caliber.
Unfortunately Crimson Trace doesn't offer a laser to fit the Ruger LCP Max.
There is the Crimson Trace LG-431 model specifically made for the Ruger LCP. Check it out.
https://www.opticsplanet.com/crimson-trace-lg431-ruger-front-activation-laser-grip.html
There is the Crimson Trace LL-807 or LL-807Gmodel specifically made for full/compact size Glocks. The LL-807/LL-807G will fit Gen5 G17, G19, G19X, and the G45. Check it out.
https://www.opticsplanet.com/crimson-trace-laserguard-pro-for-glock-full-size-and-compact.html?_iv_parent-gun-model=glock-19&_iv_gun-model=glock-17
There is the Crimson Trace LG-422 or LG-422G model specifically made for the Sig P365 series. This will work with the P365 XL. Check it out.
https://www.opticsplanet.com/crimson-trace-crimson-trace-lg-422-laserguard.html
There is the Crimson Trace LG-449 model specifically made for the Ruger SR9c and the SR40c. Check it out.
https://www.opticsplanet.com/crimson-trace-lg-449-front-activation-laser-sight-for-ruger-sr9c-polymer-compact.html
This model will not fit the Ruger EC9s, the correct model is the LG-416.
Yes, it should fit.
No, it will not. Here is a link to the red laser for LC9s:
https://www.opticsplanet.com/crimson-trace-crimson-trace-lg-416-laserguard-red-laser-sight-for-ruger-lc9-lc9s.html
Yes, by clicking the "Beam Color" drop-down menu and selecting "Red", you can see the models available.