Here2Win Casino · Greentube · Australia
Pokies Vault entry for Jewels and Gems
Australian punters can open the session page for Jewels and Gems pokie apart from this catalogue.
Pokies Vault writes up Jewels and Gems, a Greentube pokie, for Australian punters who open it at Here2Win Casino. The card does not carry a published RTP, which is noted here rather than invented.
More from Greentube
How this pokie compares
| Title | Studio | Published RTP | RTP delta | Volatility | Grid |
|---|---|---|---|---|---|
| Jewels and Gems (this card) | Greentube | — | — | — | 5×3 / 5×4 HTML5 video grid |
| Jingle Jackpot · Highest RTP in Greentube | Greentube | 96.45% | — | medium | 5×3 / 5×4 HTML5 video grid |
| Eye of the dragon · Higher-volatility studio alternative | Greentube | 96.12% | — | high | 5×3 / 5×4 HTML5 video grid |
| Book of Bonanza · Same mechanic (Expanding Symbols) | SmartSoft | 97.60% | — | medium-to-high | 5×3 classic video grid |
Explore head-to-head comparisons → · Session bankroll calculator →
At Here2Win Casino
Here2Win Casino is the casino on this card. Beside Jewels and Gems the provider page lists 419 other Greentube pokies, all played at Here2Win Casino.
Stay on the Greentube page for Pots of Treasure Win Ways and for Diamond Mystery Mega Blaze.
Published figures & technical specs
- Studio
- Greentube (419 in this catalogue)
- Features
- Expanding Symbols and Gamble Feature
- Studio average RTP
- 95.05% (across 135 titles)
- Reel grid
- 5×3 / 5×4 HTML5 video grid
- Pay structure
- Standard studio payline / ways structure
- RNG testing labs
- GLI, eCOGRA, TÜV Austria
- Studio licences
- MGA, UKGC, AGCO (Ontario), ADM, DGOJ, GGL
- Platform
- HTML5 (Desktop, iOS & Android)
- Play at
- Here2Win Casino
- Stake
- A$
- Card updated
- 2026-10-29
Session math & RTP benchmark
Because the source card for Jewels and Gems omits a standalone RTP, Pokies Vault uses the verified studio distribution as context rather than inventing a figure. Across the 135 Greentube titles that do publish a return in this catalogue, the studio average is 95.05% (ranging from 92.13% to 96.45%). For a balanced session at Here2Win Casino, a bankroll buffer of 200x–250x the A$ unit stake suits this pokie's profile.
| Session volume | Total turnover | Theoretical return | House margin | Est. winning spins |
|---|---|---|---|---|
| 100 spins (A$1/spin) | A$100 | A$95.05 | A$4.95 | ~27–33 |
| 250 spins (A$1/spin) | A$250 | A$237.63 | A$12.38 | ~68–83 |
| 500 spins (A$1/spin) | A$500 | A$475.25 | A$24.75 | ~135–165 |
Pros and cons
Pros
- Greentube is on the card, not buried in a lobby.
- The play button stays on pokiesvault.com and then opens Here2Win Casino.
- Greentube has 419 pokies in this catalogue.
Cons
- Pokies Vault does not pay a win and does not take a deposit.
- No bonus figure is printed. Any offer sits inside Here2Win Casino and can change.
- The return gap is left empty on purpose.
- The page will not borrow a pace label from another Greentube pokie.
The studio behind it
Greentube is the studio printed on Jewels and Gems. Pokies Vault lists 419 of their pokies for Australia, and this is one of them. Open that page if you want a neighbour title from the same studio.
Studio certification & mechanics
Greentube (Novomatic AG Group) is an iGaming studio founded in 1998 and headquartered in Vienna, Austria. Its random number generators (RNG) and math models are audited by GLI, eCOGRA, TÜV Austria and certified across MGA, UKGC, AGCO (Ontario), ADM, DGOJ, GGL. Studio RTP policy: Standardised theoretical RTP profiles (~95.00%–95.50% classic mathematical model).
In the Pokies Vault catalogue, Greentube accounts for 419 pokies, playable at Here2Win Casino. Across the 135 titles with a published return, the studio averages 95.05% RTP (spanning 92.13% to 96.45%, with 0 pokies at 96.5% or above). Signature studio mechanics include Book-style Expanding Scatter, Lock & Spin, Twin Spinner, Gamble Ladder.
Technical layout for Jewels and Gems: 5×3 / 5×4 HTML5 video grid paired with Standard studio payline / ways structure, running natively in HTML5 across desktop, iOS, and Android browsers at Here2Win Casino.
Expanding Symbols: Expanding symbol mechanics select one or more pay symbols that stretch vertically to cover the full reel when enough instances land.
Gamble Feature: The Gamble feature offers an optional post-win double-up or risk ladder round after standard base-game payouts.
What this pokie is
Pokies Vault files Jewels and Gems as a record: studio Greentube, then the numbers the card actually has, then the door to Here2Win Casino. If a number is missing, the vault leaves the shelf empty.
A normal session on Jewels and Gems is a run of spins with a stake you picked, not a plan to clear a bonus. Any match bonus lives on the Here2Win Casino side, not as a number invented on Pokies Vault. Read the offer there before you opt in.
Jewels and Gems is filed under video on the Australian list Pokies Vault keeps for Here2Win Casino. It is an online pokie, not a machine on a club floor. Funding the Here2Win Casino account is separate from this catalogue.
How you open it
- Open Jewels and Gems from the play button. The click stays on pokiesvault.com, then Here2Win Casino loads the pokie.
- Set the stake in A$ before the reels move. A smaller stake just makes a pokie last longer.
- Stop on a clock you set in Melbourne, not when the pokie 'looks due'.
Questions
Can I play Jewels and Gems at Here2Win Casino from Australia?
Jewels and Gems is in the Pokies Vault list for Australia, and the session itself runs at Here2Win Casino. Use the play button rather than hunting the game by a different name.
What provider is behind Jewels and Gems?
Greentube is the studio named on the Jewels and Gems card. Pokies Vault groups the rest of that studio on the provider page.
Does Pokies Vault take the stake?
You are reading a catalogue page. Deposits, PayID and the spin itself belong to the Here2Win Casino account, not to pokiesvault.com.
Does Jewels and Gems work on mobile in Australia?
Yes. The play button on pokiesvault.com is the same on a phone as on a desktop. The session then runs at Here2Win Casino, and the stake is still in A$.
Is Jewels and Gems staked in A$?
You choose the A$ stake after Here2Win Casino loads Jewels and Gems. This catalogue page never takes the money.
Can I try Jewels and Gems here without an account?
This page is the written card. It does not run the reels, free or paid. Play happens at Here2Win Casino.
Does Pokies Vault score Jewels and Gems?
No score is printed on purpose. A star would be a house opinion. The page sticks to the studio, the published RTP when the card has one, and the volatility label.
Does Jewels and Gems remember my last session?
Nothing on this page is a timer for a feature. If the last session went badly, the next one does not owe you the difference.
How old do I have to be to play Jewels and Gems?
The page is written for adults in Australia. Gambling can harm. Stop when the session stops being a choice.
Where does the click on Jewels and Gems go?
The click stays on pokiesvault.com first, then opens Jewels and Gems at Here2Win Casino. The partner address is not printed in the article.
Where are the other Greentube games?
Pokies Vault lists 419 pokies from Greentube for Australia. Jewels and Gems is one of them. The provider page holds the rest.
Does it matter that I am in Melbourne?
Sydney or Perth sees the same card. The only local pieces are the language, the A$ stake and the payment names such as PayID.
Will I see a bonus figure for Jewels and Gems here?
Pokies Vault will not print a match amount or a spin count for Jewels and Gems. Those terms belong to the casino, and they change.
Is Jewels and Gems a club or pub pokie?
The page describes the online title from Greentube. It does not claim a venue in Melbourne.
When should I close Jewels and Gems?
Set an A$ limit and a clock before the first spin, then close the game when either one is reached. Jewels and Gems will not close itself.
Why is there no RTP for Jewels and Gems?
The source card did not include a published RTP, so this page leaves the gap empty. Pokies Vault will not copy a figure from a similar Greentube pokie.
Why does Jewels and Gems have a pros and cons list?
It splits what the card publishes from what Pokies Vault refuses to invent. A printed RTP is listed because it is a source figure. A missing hit rate is named as a limit, not filled in.
What should I read before I open Jewels and Gems?
Start with the short answer under the title, then the fact list. Both should agree: studio Greentube, and RTP only when the card has one. The pros and cons repeat that split in plain lines.
Will a shorter name still open Jewels and Gems?
Use the full name on this card. A shorter search in the Here2Win Casino lobby can open a different Greentube title.
How many reels and paylines does Jewels and Gems have?
The card does not publish a maximum win, a reel count, or a payline count. Pokies Vault does not guess them.
Which feature labels are on Jewels and Gems?
Expanding Symbols and Gamble Feature is the whole feature list for Jewels and Gems. A label is not a price and not a description of the round.
How a session behaves
Use the figures first and the mood never. Jewels and Gems at Here2Win Casino is still only a session with an A$ stake.
Same pokie, different Saturday. Walk away while the stake in A$ is still a choice.
Stake and the cashier
The vault does not store deposits. PayID and cards are a Here2Win Casino matter once pokiesvault.com has handed you over.
The A$ stake is chosen inside Jewels and Gems at Here2Win Casino. A catalogue can name PayID and still not run PayID.
Who it suits
This card does not carry a volatility mark, so Pokies Vault does not guess who Jewels and Gems suits. The studio is Greentube. The session still opens at Here2Win Casino.
Filed under
Features Expanding Symbols Gamble Feature
Playing this pokie
Search the lobby for Jewels and Gems, the full title on this card. A shorter search can load a different Greentube title.
The card does not publish a maximum win, a reel count, a payline count, a count of free spins, or a bonus-buy price. Pokies Vault leaves those fields empty.
Australian punters play this pokie in the browser at Here2Win Casino, stake in A$. No app is installed from Pokies Vault.
Feature labels on this card: Expanding Symbols and Gamble Feature. Pokies Vault does not add a jackpot figure or a bonus amount on top of those names.