Ouchi no Home Deka Instructions translated are here:
https://www.peppersoup.net/tamasquare/deka.php
Tama Suku English instructions are here:
https://mimitchi.com/tamasuku/instructions.shtml
Entama and Uratama... as long as you can operate a normal Tamagotchi, these ones shouldn't be hard to work out.
As of this date I don't know exactly how to operate Tamago Chu... sorry.
Okay, want more for Entama/Uratama? There is the Entama UnGuide, but I've forgotten the link.
Status screens: Hunger/happy-> GUTS points -> Occupation and money -> Name/age/weight -> Gender/Generation
Feeding: Meal, Snack, Cooking (mix together two items)
Toilet: Same as normal
Game: Depends on version. Just try and work them out...
Connect: ENTAMA (or Uratama)- Game, Receive Present, Give Present, Marry
DEKATAMA- You won't be able to use this in Sinagpore... the Deka Tama is found in Japan only.
KEITAMA- PC-Keitai, Tamasute (Wonder what that is...)
(PC-Keitai gives you the options Tamatown and Items)
Mail: When it flashes, check your mail. The top one is news and the bottom one is letters.
Medicine: Same as normal.
Items: Work/school item, GUTS up, Special, Items bought while travelling, Others
Notebook: Friends, family, grave
Attention: Same as normal.
Hey, I've found out that we live in the same time zone (I live in Western Australia)
I have visited Singapore before because a great deal of my cousins live there. You know where the Bukit Panjang LRT is? They live around there.