So yeah, been down for 6 months, but nevermind the drama of that. Please do suggest a great movie that has an impact, something that is worth the time and not that average (not average in terns of plot-wise, but as a whole package-wise) :)

So far, something heart warming or simply just have an effect for me were:
1. Crazy Little thing Called Love (sucker for this feel of love)
2. Always (same feel, which I love which is I guess very sweet and a lot of effort)
3. Punch


Anime that has "something":
1. The Girl Who Leapt through time
2. Spirited Away (and other Hayao)
3. Anohana
from your PlanToWatch list you have some really good ones which i have watched (Nobody Knows and Taiyo no Uta and Nana(But the anime is much more preferable if you can watch it) ) 
From your ptw:

Sunny 
Hope - Heartwarming and should leave you with an emotional impact
Hear Me

Not on your ptw:
Miss Granny


From your PTW list:

  A Werewolf Boy (acting is superb that you will be drawn into the story)
  Hear Me

Also,

  Ocean Eleven
  Wood Job! The Easy Life in Kamusari

And, if you want to invest the time to watch … two excellent Japanese dramas -- for "emotional impact"
  
  Beautiful Rain
  Good Life -- Arigato, Papa, Sayonara
Watch Hello Ghost. It is impossible to not feel anything when you are watching this movie. It is (or at least it was for me) very heart-grabbing
light = not so much impact 
heavy = much impact
really heavy = a lot of impact, may leave you sad for days

Ao Haru Ride (light, heartwarming)
Kyou, Koi wo Hajimemasu (light, heartwarming)
100 days with mr arrogant (light, heartwarming)
Hot Road (heavy, heartwarming)
Kanojo wa Uso Wo Aishisugiteru (heavy, heartwarming)
Postman to heaven (light, heartwarming)
Hanamizuki (heavy, heartwarming)
My Rainy Days (heavy, heartwarming)
Secret (taiwanese, heavy, heartwarming)
Koizora - I really prefer the drama over the movie though. (really heavy, heartwarming)
A Werewolf Boy (really heavy, heartwarming)
Bandage (heavy, not heartwarming)
Bleak Night  (really heavy, not heartwarming)
Dear Friends (heavy, heartwarming)
Rinne no Ame (really heavy, not heartwarming)
Moon Child (really heavy, heartwarming)
Taiyou no Uta (heavy, heartwarming)
A millionaires first love (heavy, heartwarming)
Yuuki (really heavy, not heartwarming (actually some may say otherwise, I honestly thought his friends weren't really there enough for the guy))

out of these my favorites were Yuuki, Hot Road, Kanojo wa Uso Wo Aishisugiteru, A Werewolf Boy, Bandage, Moon Child and Taiyou no Uta

Since you loved Crazy Ltittle Thing Called Love (who doesn't :D),  I have a feeling that we have similar tastes so I recommend the following:
TAIWANESE:
You Are the Apple of My Eye (a TW  smash-hit),
Hear Me
When A Wolf Falls In Love with A Sheep
LOVE
Perfect Two
Hua Yang
Starry Starry Night

CHINESE:
First Time 
Love You You
Dive In (2014)
Mulan (2009)
So Young 
The Stolen Years
Under the Hawthorn Tree

THAI:
Present Perfect

JAPANESE:
Koizora: The Movie
Sincerely, big thanks guys! I'll check each of one out. Yeah it will take some time, but I do not mind :)